18651465

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 112

約数和(自身を含む): 41551488

約数和(自身を除く): 22900023

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 43, 45, 51, 63, 81, 85, 105, 119, 129, 135, 153, 189, 215, 243, 255, 301, 315, 357, 387, 405, 459, 567, 595, 645, 729, 731, 765, 903, 945, 1071, 1161, 1215, 1377, 1505, 1701, 1785, 1935, 2193, 2295, 2709, 2835, 3213, 3483, 3645, 3655, 4131, 4515, 5103, 5117, 5355, 5805, 6579, 6885, 8127, 8505, 9639, 10449, 10965, 12393, 13545, 15351, 16065, 17415, 19737, 20655, 24381, 25515, 25585, 28917, 31347, 32895, 40635, 46053, 48195, 52245, 59211, 61965, 73143, 76755, 86751, 98685, 121905, 138159, 144585, 156735, 177633, 219429, 230265, 296055, 365715, 414477, 433755, 532899, 690795, 888165, 1097145, 1243431, 2072385, 2664495, 3730293, 6217155, 18651465]

約数ペア:

[(1, 18651465), (3, 6217155), (5, 3730293), (7, 2664495), (9, 2072385), (15, 1243431), (17, 1097145), (21, 888165), (27, 690795), (35, 532899), (43, 433755), (45, 414477), (51, 365715), (63, 296055), (81, 230265), (85, 219429), (105, 177633), (119, 156735), (129, 144585), (135, 138159), (153, 121905), (189, 98685), (215, 86751), (243, 76755), (255, 73143), (301, 61965), (315, 59211), (357, 52245), (387, 48195), (405, 46053), (459, 40635), (567, 32895), (595, 31347), (645, 28917), (729, 25585), (731, 25515), (765, 24381), (903, 20655), (945, 19737), (1071, 17415), (1161, 16065), (1215, 15351), (1377, 13545), (1505, 12393), (1701, 10965), (1785, 10449), (1935, 9639), (2193, 8505), (2295, 8127), (2709, 6885), (2835, 6579), (3213, 5805), (3483, 5355), (3645, 5117), (3655, 5103), (4131, 4515)]