20161824489

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1\times {\mathrm{491}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 29841177600

約数和(自身を除く): 9679353111

約数列:

[1, 3, 9, 71, 179, 213, 359, 491, 537, 639, 1077, 1473, 1611, 3231, 4419, 12709, 25489, 34861, 38127, 64261, 76467, 87889, 104583, 114381, 176269, 192783, 229401, 263667, 313749, 528807, 578349, 791001, 1586421, 4562531, 6240119, 12515099, 13687593, 18720357, 31552151, 37545297, 41062779, 56161071, 94656453, 112635891, 283969359, 2240202721, 6720608163, 20161824489]

約数ペア:

[(1, 20161824489), (3, 6720608163), (9, 2240202721), (71, 283969359), (179, 112635891), (213, 94656453), (359, 56161071), (491, 41062779), (537, 37545297), (639, 31552151), (1077, 18720357), (1473, 13687593), (1611, 12515099), (3231, 6240119), (4419, 4562531), (12709, 1586421), (25489, 791001), (34861, 578349), (38127, 528807), (64261, 313749), (76467, 263667), (87889, 229401), (104583, 192783), (114381, 176269)]