163945125

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2471

約数の個数: 48

約数和(自身を含む): 300509040

約数和(自身を除く): 136563915

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 305, 375, 549, 915, 1125, 1525, 2389, 2745, 4575, 7167, 7625, 11945, 13725, 21501, 22875, 35835, 59725, 68625, 107505, 145729, 179175, 298625, 437187, 537525, 728645, 895875, 1311561, 2185935, 2687625, 3643225, 6557805, 10929675, 18216125, 32789025, 54648375, 163945125]

約数ペア:

[(1, 163945125), (3, 54648375), (5, 32789025), (9, 18216125), (15, 10929675), (25, 6557805), (45, 3643225), (61, 2687625), (75, 2185935), (125, 1311561), (183, 895875), (225, 728645), (305, 537525), (375, 437187), (549, 298625), (915, 179175), (1125, 145729), (1525, 107505), (2389, 68625), (2745, 59725), (4575, 35835), (7167, 22875), (7625, 21501), (11945, 13725)]