389601495

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 750835008

約数和(自身を除く): 361233513

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 71, 81, 85, 135, 153, 213, 255, 355, 405, 459, 639, 765, 797, 1065, 1207, 1377, 1917, 2295, 2391, 3195, 3621, 3985, 5751, 6035, 6885, 7173, 9585, 10863, 11955, 13549, 18105, 21519, 28755, 32589, 35865, 40647, 54315, 56587, 64557, 67745, 97767, 107595, 121941, 162945, 169761, 203235, 282935, 322785, 365823, 488835, 509283, 609705, 848805, 961979, 1097469, 1527849, 1829115, 2546415, 2885937, 4583547, 4809895, 5487345, 7639245, 8657811, 14429685, 22917735, 25973433, 43289055, 77920299, 129867165, 389601495]

約数ペア:

[(1, 389601495), (3, 129867165), (5, 77920299), (9, 43289055), (15, 25973433), (17, 22917735), (27, 14429685), (45, 8657811), (51, 7639245), (71, 5487345), (81, 4809895), (85, 4583547), (135, 2885937), (153, 2546415), (213, 1829115), (255, 1527849), (355, 1097469), (405, 961979), (459, 848805), (639, 609705), (765, 509283), (797, 488835), (1065, 365823), (1207, 322785), (1377, 282935), (1917, 203235), (2295, 169761), (2391, 162945), (3195, 121941), (3621, 107595), (3985, 97767), (5751, 67745), (6035, 64557), (6885, 56587), (7173, 54315), (9585, 40647), (10863, 35865), (11955, 32589), (13549, 28755), (18105, 21519)]