27718875

素因数分解:

$3^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 52715520

約数和(自身を除く): 24996645

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 125, 129, 135, 191, 215, 225, 375, 387, 573, 645, 675, 955, 1075, 1125, 1161, 1719, 1935, 2865, 3225, 3375, 4775, 5157, 5375, 5805, 8213, 8595, 9675, 14325, 16125, 23875, 24639, 25785, 29025, 41065, 42975, 48375, 71625, 73917, 123195, 128925, 145125, 205325, 214875, 221751, 369585, 615975, 644625, 1026625, 1108755, 1847925, 3079875, 5543775, 9239625, 27718875]

約数ペア:

[(1, 27718875), (3, 9239625), (5, 5543775), (9, 3079875), (15, 1847925), (25, 1108755), (27, 1026625), (43, 644625), (45, 615975), (75, 369585), (125, 221751), (129, 214875), (135, 205325), (191, 145125), (215, 128925), (225, 123195), (375, 73917), (387, 71625), (573, 48375), (645, 42975), (675, 41065), (955, 29025), (1075, 25785), (1125, 24639), (1161, 23875), (1719, 16125), (1935, 14325), (2865, 9675), (3225, 8595), (3375, 8213), (4775, 5805), (5157, 5375)]