51519375

素因数分解:

$3^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 98968320

約数和(自身を除く): 47448945

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 71, 75, 125, 129, 135, 213, 215, 225, 355, 375, 387, 625, 639, 645, 675, 1065, 1075, 1125, 1161, 1775, 1875, 1917, 1935, 3053, 3195, 3225, 3375, 5325, 5375, 5625, 5805, 8875, 9159, 9585, 9675, 15265, 15975, 16125, 16875, 26625, 26875, 27477, 29025, 44375, 45795, 47925, 48375, 76325, 79875, 80625, 82431, 133125, 137385, 145125, 228975, 239625, 241875, 381625, 399375, 412155, 686925, 725625, 1144875, 1198125, 1908125, 2060775, 3434625, 5724375, 10303875, 17173125, 51519375]

約数ペア:

[(1, 51519375), (3, 17173125), (5, 10303875), (9, 5724375), (15, 3434625), (25, 2060775), (27, 1908125), (43, 1198125), (45, 1144875), (71, 725625), (75, 686925), (125, 412155), (129, 399375), (135, 381625), (213, 241875), (215, 239625), (225, 228975), (355, 145125), (375, 137385), (387, 133125), (625, 82431), (639, 80625), (645, 79875), (675, 76325), (1065, 48375), (1075, 47925), (1125, 45795), (1161, 44375), (1775, 29025), (1875, 27477), (1917, 26875), (1935, 26625), (3053, 16875), (3195, 16125), (3225, 15975), (3375, 15265), (5325, 9675), (5375, 9585), (5625, 9159), (5805, 8875)]