51487425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 102368448

約数和(自身を除く): 50881023

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 71, 75, 99, 165, 213, 225, 275, 293, 355, 495, 639, 781, 825, 879, 1065, 1465, 1775, 2343, 2475, 2637, 3195, 3223, 3905, 4395, 5325, 7029, 7325, 9669, 11715, 13185, 15975, 16115, 19525, 20803, 21975, 29007, 35145, 48345, 58575, 62409, 65925, 80575, 104015, 145035, 175725, 187227, 228833, 241725, 312045, 520075, 686499, 725175, 936135, 1144165, 1560225, 2059497, 3432495, 4680675, 5720825, 10297485, 17162475, 51487425]

約数ペア:

[(1, 51487425), (3, 17162475), (5, 10297485), (9, 5720825), (11, 4680675), (15, 3432495), (25, 2059497), (33, 1560225), (45, 1144165), (55, 936135), (71, 725175), (75, 686499), (99, 520075), (165, 312045), (213, 241725), (225, 228833), (275, 187227), (293, 175725), (355, 145035), (495, 104015), (639, 80575), (781, 65925), (825, 62409), (879, 58575), (1065, 48345), (1465, 35145), (1775, 29007), (2343, 21975), (2475, 20803), (2637, 19525), (3195, 16115), (3223, 15975), (3905, 13185), (4395, 11715), (5325, 9669), (7029, 7325)]