74142015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{607}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 126074880

約数和(自身を除く): 51932865

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 479, 607, 1437, 1821, 2395, 3035, 7185, 8143, 9105, 10319, 24429, 30957, 40715, 51595, 122145, 154785, 290753, 872259, 1453765, 4361295, 4942801, 14828403, 24714005, 74142015]

約数ペア:

[(1, 74142015), (3, 24714005), (5, 14828403), (15, 4942801), (17, 4361295), (51, 1453765), (85, 872259), (255, 290753), (479, 154785), (607, 122145), (1437, 51595), (1821, 40715), (2395, 30957), (3035, 24429), (7185, 10319), (8143, 9105)]