78898515

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 128593920

約数和(自身を除く): 49695405

約数列:

[1, 3, 5, 15, 103, 223, 229, 309, 515, 669, 687, 1115, 1145, 1545, 3345, 3435, 22969, 23587, 51067, 68907, 70761, 114845, 117935, 153201, 255335, 344535, 353805, 766005, 5259901, 15779703, 26299505, 78898515]

約数ペア:

[(1, 78898515), (3, 26299505), (5, 15779703), (15, 5259901), (103, 766005), (223, 353805), (229, 344535), (309, 255335), (515, 153201), (669, 117935), (687, 114845), (1115, 70761), (1145, 68907), (1545, 51067), (3345, 23587), (3435, 22969)]