78221805

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 127505664

約数和(自身を除く): 49283859

約数列:

[1, 3, 5, 15, 103, 197, 257, 309, 515, 591, 771, 985, 1285, 1545, 2955, 3855, 20291, 26471, 50629, 60873, 79413, 101455, 132355, 151887, 253145, 304365, 397065, 759435, 5214787, 15644361, 26073935, 78221805]

約数ペア:

[(1, 78221805), (3, 26073935), (5, 15644361), (15, 5214787), (103, 759435), (197, 397065), (257, 304365), (309, 253145), (515, 151887), (591, 132355), (771, 101455), (985, 79413), (1285, 60873), (1545, 50629), (2955, 26471), (3855, 20291)]