72447837

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 127008768

約数和(自身を除く): 54560931

約数列:

[1, 3, 7, 11, 21, 31, 33, 67, 77, 93, 151, 201, 217, 231, 341, 453, 469, 651, 737, 1023, 1057, 1407, 1661, 2077, 2211, 2387, 3171, 4681, 4983, 5159, 6231, 7161, 10117, 11627, 14043, 14539, 15477, 22847, 30351, 32767, 34881, 43617, 51491, 68541, 70819, 98301, 111287, 154473, 159929, 212457, 313627, 333861, 360437, 479787, 779009, 940881, 1081311, 2195389, 2337027, 3449897, 6586167, 10349691, 24149279, 72447837]

約数ペア:

[(1, 72447837), (3, 24149279), (7, 10349691), (11, 6586167), (21, 3449897), (31, 2337027), (33, 2195389), (67, 1081311), (77, 940881), (93, 779009), (151, 479787), (201, 360437), (217, 333861), (231, 313627), (341, 212457), (453, 159929), (469, 154473), (651, 111287), (737, 98301), (1023, 70819), (1057, 68541), (1407, 51491), (1661, 43617), (2077, 34881), (2211, 32767), (2387, 30351), (3171, 22847), (4681, 15477), (4983, 14539), (5159, 14043), (6231, 11627), (7161, 10117)]