72748425

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 126741888

約数和(自身を除く): 53993463

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 181, 233, 345, 543, 575, 699, 905, 1165, 1725, 2715, 3495, 4163, 4525, 5359, 5825, 12489, 13575, 16077, 17475, 20815, 26795, 42173, 62445, 80385, 104075, 126519, 133975, 210865, 312225, 401925, 632595, 969979, 1054325, 2909937, 3162975, 4849895, 14549685, 24249475, 72748425]

約数ペア:

[(1, 72748425), (3, 24249475), (5, 14549685), (15, 4849895), (23, 3162975), (25, 2909937), (69, 1054325), (75, 969979), (115, 632595), (181, 401925), (233, 312225), (345, 210865), (543, 133975), (575, 126519), (699, 104075), (905, 80385), (1165, 62445), (1725, 42173), (2715, 26795), (3495, 20815), (4163, 17475), (4525, 16077), (5359, 13575), (5825, 12489)]