25192575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 23554305

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 83, 95, 171, 213, 225, 249, 285, 355, 415, 475, 639, 747, 855, 1065, 1245, 1349, 1425, 1577, 1775, 2075, 3195, 3735, 4047, 4275, 4731, 5325, 5893, 6225, 6745, 7885, 12141, 14193, 15975, 17679, 18675, 20235, 23655, 29465, 33725, 39425, 53037, 60705, 70965, 88395, 101175, 111967, 118275, 147325, 265185, 303525, 335901, 354825, 441975, 559835, 1007703, 1325925, 1679505, 2799175, 5038515, 8397525, 25192575]

約数ペア:

[(1, 25192575), (3, 8397525), (5, 5038515), (9, 2799175), (15, 1679505), (19, 1325925), (25, 1007703), (45, 559835), (57, 441975), (71, 354825), (75, 335901), (83, 303525), (95, 265185), (171, 147325), (213, 118275), (225, 111967), (249, 101175), (285, 88395), (355, 70965), (415, 60705), (475, 53037), (639, 39425), (747, 33725), (855, 29465), (1065, 23655), (1245, 20235), (1349, 18675), (1425, 17679), (1577, 15975), (1775, 14193), (2075, 12141), (3195, 7885), (3735, 6745), (4047, 6225), (4275, 5893), (4731, 5325)]