78346875

素因数分解:

$3^1\times 5^5\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 133678944

約数和(自身を除く): 55332069

約数列:

[1, 3, 5, 15, 25, 61, 75, 125, 137, 183, 305, 375, 411, 625, 685, 915, 1525, 1875, 2055, 3125, 3425, 4575, 7625, 8357, 9375, 10275, 17125, 22875, 25071, 38125, 41785, 51375, 85625, 114375, 125355, 190625, 208925, 256875, 428125, 571875, 626775, 1044625, 1284375, 3133875, 5223125, 15669375, 26115625, 78346875]

約数ペア:

[(1, 78346875), (3, 26115625), (5, 15669375), (15, 5223125), (25, 3133875), (61, 1284375), (75, 1044625), (125, 626775), (137, 571875), (183, 428125), (305, 256875), (375, 208925), (411, 190625), (625, 125355), (685, 114375), (915, 85625), (1525, 51375), (1875, 41785), (2055, 38125), (3125, 25071), (3425, 22875), (4575, 17125), (7625, 10275), (8357, 9375)]