51384825

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 97493760

約数和(自身を除く): 46108935

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 53, 75, 93, 139, 155, 159, 225, 265, 279, 417, 465, 477, 695, 775, 795, 1251, 1325, 1395, 1643, 2085, 2325, 2385, 3475, 3975, 4309, 4929, 6255, 6975, 7367, 8215, 10425, 11925, 12927, 14787, 21545, 22101, 24645, 31275, 36835, 38781, 41075, 64635, 66303, 73935, 107725, 110505, 123225, 184175, 193905, 228377, 323175, 331515, 369675, 552525, 685131, 969525, 1141885, 1657575, 2055393, 3425655, 5709425, 10276965, 17128275, 51384825]

約数ペア:

[(1, 51384825), (3, 17128275), (5, 10276965), (9, 5709425), (15, 3425655), (25, 2055393), (31, 1657575), (45, 1141885), (53, 969525), (75, 685131), (93, 552525), (139, 369675), (155, 331515), (159, 323175), (225, 228377), (265, 193905), (279, 184175), (417, 123225), (465, 110505), (477, 107725), (695, 73935), (775, 66303), (795, 64635), (1251, 41075), (1325, 38781), (1395, 36835), (1643, 31275), (2085, 24645), (2325, 22101), (2385, 21545), (3475, 14787), (3975, 12927), (4309, 11925), (4929, 10425), (6255, 8215), (6975, 7367)]