72179775

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1753}}^1$

素因数の和:1833

約数の個数: 48

約数和(自身を含む): 134847520

約数和(自身を除く): 62667745

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 675, 915, 1525, 1647, 1753, 2745, 4575, 5259, 8235, 8765, 13725, 15777, 26295, 41175, 43825, 47331, 78885, 106933, 131475, 236655, 320799, 394425, 534665, 962397, 1183275, 1603995, 2673325, 2887191, 4811985, 8019975, 14435955, 24059925, 72179775]

約数ペア:

[(1, 72179775), (3, 24059925), (5, 14435955), (9, 8019975), (15, 4811985), (25, 2887191), (27, 2673325), (45, 1603995), (61, 1183275), (75, 962397), (135, 534665), (183, 394425), (225, 320799), (305, 236655), (549, 131475), (675, 106933), (915, 78885), (1525, 47331), (1647, 43825), (1753, 41175), (2745, 26295), (4575, 15777), (5259, 13725), (8235, 8765)]