15645555

素因数分解:

$3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 28654080

約数和(自身を除く): 13008525

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 163, 237, 243, 395, 405, 489, 711, 815, 1185, 1215, 1467, 2133, 2445, 3555, 4401, 6399, 7335, 10665, 12877, 13203, 19197, 22005, 31995, 38631, 39609, 64385, 66015, 95985, 115893, 193155, 198045, 347679, 579465, 1043037, 1738395, 3129111, 5215185, 15645555]

約数ペア:

[(1, 15645555), (3, 5215185), (5, 3129111), (9, 1738395), (15, 1043037), (27, 579465), (45, 347679), (79, 198045), (81, 193155), (135, 115893), (163, 95985), (237, 66015), (243, 64385), (395, 39609), (405, 38631), (489, 31995), (711, 22005), (815, 19197), (1185, 13203), (1215, 12877), (1467, 10665), (2133, 7335), (2445, 6399), (3555, 4401)]