261121875

素因数分解:

$3^1\times 5^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 521966592

約数和(自身を除く): 260844717

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 125, 161, 173, 175, 345, 375, 483, 519, 525, 575, 625, 805, 865, 875, 1211, 1725, 1875, 2415, 2595, 2625, 2875, 3125, 3633, 3979, 4025, 4325, 4375, 6055, 8625, 9375, 11937, 12075, 12975, 13125, 14375, 18165, 19895, 20125, 21625, 21875, 27853, 30275, 43125, 59685, 60375, 64875, 65625, 71875, 83559, 90825, 99475, 100625, 108125, 139265, 151375, 215625, 298425, 301875, 324375, 417795, 454125, 497375, 503125, 540625, 696325, 756875, 1492125, 1509375, 1621875, 2088975, 2270625, 2486875, 3481625, 3784375, 7460625, 10444875, 11353125, 12434375, 17408125, 37303125, 52224375, 87040625, 261121875]

約数ペア:

[(1, 261121875), (3, 87040625), (5, 52224375), (7, 37303125), (15, 17408125), (21, 12434375), (23, 11353125), (25, 10444875), (35, 7460625), (69, 3784375), (75, 3481625), (105, 2486875), (115, 2270625), (125, 2088975), (161, 1621875), (173, 1509375), (175, 1492125), (345, 756875), (375, 696325), (483, 540625), (519, 503125), (525, 497375), (575, 454125), (625, 417795), (805, 324375), (865, 301875), (875, 298425), (1211, 215625), (1725, 151375), (1875, 139265), (2415, 108125), (2595, 100625), (2625, 99475), (2875, 90825), (3125, 83559), (3633, 71875), (3979, 65625), (4025, 64875), (4325, 60375), (4375, 59685), (6055, 43125), (8625, 30275), (9375, 27853), (11937, 21875), (12075, 21625), (12975, 20125), (13125, 19895), (14375, 18165)]