127978395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1657}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 216468480

約数和(自身を除く): 88490085

約数列:

[1, 3, 5, 15, 19, 57, 95, 271, 285, 813, 1355, 1657, 4065, 4971, 5149, 8285, 15447, 24855, 25745, 31483, 77235, 94449, 157415, 449047, 472245, 1347141, 2245235, 6735705, 8531893, 25595679, 42659465, 127978395]

約数ペア:

[(1, 127978395), (3, 42659465), (5, 25595679), (15, 8531893), (19, 6735705), (57, 2245235), (95, 1347141), (271, 472245), (285, 449047), (813, 157415), (1355, 94449), (1657, 77235), (4065, 31483), (4971, 25745), (5149, 24855), (8285, 15447)]