51289407

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 83865600

約数和(自身を除く): 32576193

約数列:

[1, 3, 9, 13, 31, 39, 79, 93, 117, 179, 237, 279, 403, 537, 711, 1027, 1209, 1611, 2327, 2449, 3081, 3627, 5549, 6981, 7347, 9243, 14141, 16647, 20943, 22041, 31837, 42423, 49941, 72137, 95511, 127269, 183833, 216411, 286533, 438371, 551499, 649233, 1315113, 1654497, 3945339, 5698823, 17096469, 51289407]

約数ペア:

[(1, 51289407), (3, 17096469), (9, 5698823), (13, 3945339), (31, 1654497), (39, 1315113), (79, 649233), (93, 551499), (117, 438371), (179, 286533), (237, 216411), (279, 183833), (403, 127269), (537, 95511), (711, 72137), (1027, 49941), (1209, 42423), (1611, 31837), (2327, 22041), (2449, 20943), (3081, 16647), (3627, 14141), (5549, 9243), (6981, 7347)]