74974575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 134741376

約数和(自身を除く): 59766801

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 131, 195, 325, 393, 587, 655, 975, 1703, 1761, 1965, 2935, 3275, 5109, 7631, 8515, 8805, 9825, 14675, 22893, 25545, 38155, 42575, 44025, 76897, 114465, 127725, 190775, 230691, 384485, 572325, 999661, 1153455, 1922425, 2998983, 4998305, 5767275, 14994915, 24991525, 74974575]

約数ペア:

[(1, 74974575), (3, 24991525), (5, 14994915), (13, 5767275), (15, 4998305), (25, 2998983), (39, 1922425), (65, 1153455), (75, 999661), (131, 572325), (195, 384485), (325, 230691), (393, 190775), (587, 127725), (655, 114465), (975, 76897), (1703, 44025), (1761, 42575), (1965, 38155), (2935, 25545), (3275, 22893), (5109, 14675), (7631, 9825), (8515, 8805)]