31132725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 56996352

約数和(自身を除く): 25863627

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 863, 925, 975, 1443, 2405, 2589, 2775, 4315, 7215, 11219, 12025, 12945, 21575, 31931, 33657, 36075, 56095, 64725, 95793, 159655, 168285, 280475, 415103, 478965, 798275, 841425, 1245309, 2075515, 2394825, 6226545, 10377575, 31132725]

約数ペア:

[(1, 31132725), (3, 10377575), (5, 6226545), (13, 2394825), (15, 2075515), (25, 1245309), (37, 841425), (39, 798275), (65, 478965), (75, 415103), (111, 280475), (185, 168285), (195, 159655), (325, 95793), (481, 64725), (555, 56095), (863, 36075), (925, 33657), (975, 31931), (1443, 21575), (2405, 12945), (2589, 12025), (2775, 11219), (4315, 7215)]