207625977

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 352665600

約数和(自身を除く): 145039623

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 163, 171, 191, 247, 351, 489, 513, 573, 741, 1467, 1719, 2119, 2223, 2483, 3097, 3629, 4401, 5157, 6357, 6669, 7449, 9291, 10887, 19071, 22347, 27873, 31133, 32661, 40261, 47177, 57213, 67041, 83619, 93399, 97983, 120783, 141531, 280197, 362349, 404729, 424593, 591527, 840591, 1087047, 1214187, 1273779, 1774581, 3642561, 5323743, 7689851, 10927683, 15971229, 23069553, 69208659, 207625977]

約数ペア:

[(1, 207625977), (3, 69208659), (9, 23069553), (13, 15971229), (19, 10927683), (27, 7689851), (39, 5323743), (57, 3642561), (117, 1774581), (163, 1273779), (171, 1214187), (191, 1087047), (247, 840591), (351, 591527), (489, 424593), (513, 404729), (573, 362349), (741, 280197), (1467, 141531), (1719, 120783), (2119, 97983), (2223, 93399), (2483, 83619), (3097, 67041), (3629, 57213), (4401, 47177), (5157, 40261), (6357, 32661), (6669, 31133), (7449, 27873), (9291, 22347), (10887, 19071)]