2690025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 4999680

約数和(自身を除く): 2309655

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 89, 93, 155, 195, 267, 325, 403, 445, 465, 775, 975, 1157, 1209, 1335, 2015, 2225, 2325, 2759, 3471, 5785, 6045, 6675, 8277, 10075, 13795, 17355, 28925, 30225, 35867, 41385, 68975, 86775, 107601, 179335, 206925, 538005, 896675, 2690025]

約数ペア:

[(1, 2690025), (3, 896675), (5, 538005), (13, 206925), (15, 179335), (25, 107601), (31, 86775), (39, 68975), (65, 41385), (75, 35867), (89, 30225), (93, 28925), (155, 17355), (195, 13795), (267, 10075), (325, 8277), (403, 6675), (445, 6045), (465, 5785), (775, 3471), (975, 2759), (1157, 2325), (1209, 2225), (1335, 2015)]