8621925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 15832320

約数和(自身を除く): 7210395

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 239, 325, 481, 555, 717, 925, 975, 1195, 1443, 2405, 2775, 3107, 3585, 5975, 7215, 8843, 9321, 12025, 15535, 17925, 26529, 36075, 44215, 46605, 77675, 114959, 132645, 221075, 233025, 344877, 574795, 663225, 1724385, 2873975, 8621925]

約数ペア:

[(1, 8621925), (3, 2873975), (5, 1724385), (13, 663225), (15, 574795), (25, 344877), (37, 233025), (39, 221075), (65, 132645), (75, 114959), (111, 77675), (185, 46605), (195, 44215), (239, 36075), (325, 26529), (481, 17925), (555, 15535), (717, 12025), (925, 9321), (975, 8843), (1195, 7215), (1443, 5975), (2405, 3585), (2775, 3107)]