201621875

素因数分解:

$5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 310605120

約数和(自身を除く): 108983245

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 709, 875, 1625, 2275, 3125, 3545, 4375, 4963, 8125, 9217, 11375, 17725, 21875, 24815, 40625, 46085, 56875, 64519, 88625, 124075, 230425, 284375, 322595, 443125, 620375, 1152125, 1612975, 2215625, 3101875, 5760625, 8064875, 15509375, 28803125, 40324375, 201621875]

約数ペア:

[(1, 201621875), (5, 40324375), (7, 28803125), (13, 15509375), (25, 8064875), (35, 5760625), (65, 3101875), (91, 2215625), (125, 1612975), (175, 1152125), (325, 620375), (455, 443125), (625, 322595), (709, 284375), (875, 230425), (1625, 124075), (2275, 88625), (3125, 64519), (3545, 56875), (4375, 46085), (4963, 40625), (8125, 24815), (9217, 21875), (11375, 17725)]