12870975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 23526272

約数和(自身を除く): 10655297

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 307, 325, 559, 645, 921, 975, 1075, 1535, 1677, 2795, 3225, 3991, 4605, 7675, 8385, 11973, 13201, 13975, 19955, 23025, 39603, 41925, 59865, 66005, 99775, 171613, 198015, 299325, 330025, 514839, 858065, 990075, 2574195, 4290325, 12870975]

約数ペア:

[(1, 12870975), (3, 4290325), (5, 2574195), (13, 990075), (15, 858065), (25, 514839), (39, 330025), (43, 299325), (65, 198015), (75, 171613), (129, 99775), (195, 66005), (215, 59865), (307, 41925), (325, 39603), (559, 23025), (645, 19955), (921, 13975), (975, 13201), (1075, 11973), (1535, 8385), (1677, 7675), (2795, 4605), (3225, 3991)]