42138495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 94279680

約数和(自身を除く): 52141185

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 43, 45, 51, 61, 63, 85, 105, 119, 129, 135, 153, 183, 189, 215, 255, 301, 305, 315, 357, 387, 427, 459, 549, 595, 645, 731, 765, 903, 915, 945, 1037, 1071, 1161, 1281, 1505, 1647, 1785, 1935, 2135, 2193, 2295, 2623, 2709, 2745, 3111, 3213, 3655, 3843, 4515, 5117, 5185, 5355, 5805, 6405, 6579, 7259, 7869, 8127, 8235, 9333, 10965, 11529, 13115, 13545, 15351, 15555, 16065, 18361, 19215, 19737, 21777, 23607, 25585, 27999, 32895, 36295, 39345, 40635, 44591, 46053, 46665, 55083, 57645, 65331, 70821, 76755, 91805, 98685, 108885, 118035, 133773, 138159, 139995, 165249, 195993, 222955, 230265, 275415, 312137, 326655, 354105, 401319, 495747, 668865, 690795, 826245, 936411, 979965, 1203957, 1560685, 2006595, 2478735, 2809233, 4682055, 6019785, 8427699, 14046165, 42138495]

約数ペア:

[(1, 42138495), (3, 14046165), (5, 8427699), (7, 6019785), (9, 4682055), (15, 2809233), (17, 2478735), (21, 2006595), (27, 1560685), (35, 1203957), (43, 979965), (45, 936411), (51, 826245), (61, 690795), (63, 668865), (85, 495747), (105, 401319), (119, 354105), (129, 326655), (135, 312137), (153, 275415), (183, 230265), (189, 222955), (215, 195993), (255, 165249), (301, 139995), (305, 138159), (315, 133773), (357, 118035), (387, 108885), (427, 98685), (459, 91805), (549, 76755), (595, 70821), (645, 65331), (731, 57645), (765, 55083), (903, 46665), (915, 46053), (945, 44591), (1037, 40635), (1071, 39345), (1161, 36295), (1281, 32895), (1505, 27999), (1647, 25585), (1785, 23607), (1935, 21777), (2135, 19737), (2193, 19215), (2295, 18361), (2623, 16065), (2709, 15555), (2745, 15351), (3111, 13545), (3213, 13115), (3655, 11529), (3843, 10965), (4515, 9333), (5117, 8235), (5185, 8127), (5355, 7869), (5805, 7259), (6405, 6579)]