28649505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 48829824

約数和(自身を除く): 20180319

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 283, 397, 849, 1191, 1415, 1985, 4245, 4811, 5955, 6749, 14433, 20247, 24055, 33745, 72165, 101235, 112351, 337053, 561755, 1685265, 1909967, 5729901, 9549835, 28649505]

約数ペア:

[(1, 28649505), (3, 9549835), (5, 5729901), (15, 1909967), (17, 1685265), (51, 561755), (85, 337053), (255, 112351), (283, 101235), (397, 72165), (849, 33745), (1191, 24055), (1415, 20247), (1985, 14433), (4245, 6749), (4811, 5955)]