25329375

素因数分解:

$3^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 80

約数和(自身を含む): 49984000

約数和(自身を除く): 24654625

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 79, 95, 125, 135, 171, 225, 237, 285, 375, 395, 475, 513, 625, 675, 711, 855, 1125, 1185, 1425, 1501, 1875, 1975, 2133, 2375, 2565, 3375, 3555, 4275, 4503, 5625, 5925, 7125, 7505, 9875, 10665, 11875, 12825, 13509, 16875, 17775, 21375, 22515, 29625, 35625, 37525, 40527, 49375, 53325, 64125, 67545, 88875, 106875, 112575, 148125, 187625, 202635, 266625, 320625, 337725, 444375, 562875, 938125, 1013175, 1333125, 1688625, 2814375, 5065875, 8443125, 25329375]

約数ペア:

[(1, 25329375), (3, 8443125), (5, 5065875), (9, 2814375), (15, 1688625), (19, 1333125), (25, 1013175), (27, 938125), (45, 562875), (57, 444375), (75, 337725), (79, 320625), (95, 266625), (125, 202635), (135, 187625), (171, 148125), (225, 112575), (237, 106875), (285, 88875), (375, 67545), (395, 64125), (475, 53325), (513, 49375), (625, 40527), (675, 37525), (711, 35625), (855, 29625), (1125, 22515), (1185, 21375), (1425, 17775), (1501, 16875), (1875, 13509), (1975, 12825), (2133, 11875), (2375, 10665), (2565, 9875), (3375, 7505), (3555, 7125), (4275, 5925), (4503, 5625)]