208040625

素因数分解:

$3^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 405208440

約数和(自身を除く): 197167815

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 569, 585, 625, 975, 1125, 1625, 1707, 1875, 2845, 2925, 3125, 4875, 5121, 5625, 7397, 8125, 8535, 9375, 14225, 14625, 22191, 24375, 25605, 28125, 36985, 40625, 42675, 66573, 71125, 73125, 110955, 121875, 128025, 184925, 213375, 332865, 355625, 365625, 554775, 640125, 924625, 1066875, 1664325, 1778125, 2773875, 3200625, 4623125, 5334375, 8321625, 13869375, 16003125, 23115625, 41608125, 69346875, 208040625]

約数ペア:

[(1, 208040625), (3, 69346875), (5, 41608125), (9, 23115625), (13, 16003125), (15, 13869375), (25, 8321625), (39, 5334375), (45, 4623125), (65, 3200625), (75, 2773875), (117, 1778125), (125, 1664325), (195, 1066875), (225, 924625), (325, 640125), (375, 554775), (569, 365625), (585, 355625), (625, 332865), (975, 213375), (1125, 184925), (1625, 128025), (1707, 121875), (1875, 110955), (2845, 73125), (2925, 71125), (3125, 66573), (4875, 42675), (5121, 40625), (5625, 36985), (7397, 28125), (8125, 25605), (8535, 24375), (9375, 22191), (14225, 14625)]