42780825

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 79955200

約数和(自身を除く): 37174375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 675, 915, 1039, 1525, 1647, 2745, 3117, 4575, 5195, 8235, 9351, 13725, 15585, 25975, 28053, 41175, 46755, 63379, 77925, 140265, 190137, 233775, 316895, 570411, 701325, 950685, 1584475, 1711233, 2852055, 4753425, 8556165, 14260275, 42780825]

約数ペア:

[(1, 42780825), (3, 14260275), (5, 8556165), (9, 4753425), (15, 2852055), (25, 1711233), (27, 1584475), (45, 950685), (61, 701325), (75, 570411), (135, 316895), (183, 233775), (225, 190137), (305, 140265), (549, 77925), (675, 63379), (915, 46755), (1039, 41175), (1525, 28053), (1647, 25975), (2745, 15585), (3117, 13725), (4575, 9351), (5195, 8235)]