139669257

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 239500800

約数和(自身を除く): 99831543

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 197, 273, 343, 371, 591, 637, 689, 1029, 1113, 1379, 1911, 2067, 2561, 2597, 4137, 4459, 4823, 7683, 7791, 9653, 10441, 13377, 14469, 17927, 18179, 28959, 31323, 33761, 53781, 54537, 67571, 73087, 101283, 125489, 135733, 202713, 219261, 236327, 376467, 407199, 511609, 708981, 878423, 950131, 1534827, 2635269, 2850393, 3581263, 6650917, 10743789, 19952751, 46556419, 139669257]

約数ペア:

[(1, 139669257), (3, 46556419), (7, 19952751), (13, 10743789), (21, 6650917), (39, 3581263), (49, 2850393), (53, 2635269), (91, 1534827), (147, 950131), (159, 878423), (197, 708981), (273, 511609), (343, 407199), (371, 376467), (591, 236327), (637, 219261), (689, 202713), (1029, 135733), (1113, 125489), (1379, 101283), (1911, 73087), (2067, 67571), (2561, 54537), (2597, 53781), (4137, 33761), (4459, 31323), (4823, 28959), (7683, 18179), (7791, 17927), (9653, 14469), (10441, 13377)]