71253975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 128241792

約数和(自身を除く): 56987817

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 107, 195, 321, 325, 535, 683, 975, 1391, 1605, 2049, 2675, 3415, 4173, 6955, 8025, 8879, 10245, 17075, 20865, 26637, 34775, 44395, 51225, 73081, 104325, 133185, 219243, 221975, 365405, 665925, 950053, 1096215, 1827025, 2850159, 4750265, 5481075, 14250795, 23751325, 71253975]

約数ペア:

[(1, 71253975), (3, 23751325), (5, 14250795), (13, 5481075), (15, 4750265), (25, 2850159), (39, 1827025), (65, 1096215), (75, 950053), (107, 665925), (195, 365405), (321, 221975), (325, 219243), (535, 133185), (683, 104325), (975, 73081), (1391, 51225), (1605, 44395), (2049, 34775), (2675, 26637), (3415, 20865), (4173, 17075), (6955, 10245), (8025, 8879)]