38720175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 69662208

約数和(自身を除く): 30942033

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 151, 195, 263, 325, 453, 755, 789, 975, 1315, 1963, 2265, 3419, 3775, 3945, 5889, 6575, 9815, 10257, 11325, 17095, 19725, 29445, 39713, 49075, 51285, 85475, 119139, 147225, 198565, 256425, 516269, 595695, 992825, 1548807, 2581345, 2978475, 7744035, 12906725, 38720175]

約数ペア:

[(1, 38720175), (3, 12906725), (5, 7744035), (13, 2978475), (15, 2581345), (25, 1548807), (39, 992825), (65, 595695), (75, 516269), (151, 256425), (195, 198565), (263, 147225), (325, 119139), (453, 85475), (755, 51285), (789, 49075), (975, 39713), (1315, 29445), (1963, 19725), (2265, 17095), (3419, 11325), (3775, 10257), (3945, 9815), (5889, 6575)]