131005305

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 235572480

約数和(自身を除く): 104567175

約数列:

[1, 3, 5, 9, 15, 43, 45, 79, 129, 215, 237, 387, 395, 645, 711, 857, 1185, 1935, 2571, 3397, 3555, 4285, 7713, 10191, 12855, 16985, 30573, 36851, 38565, 50955, 67703, 110553, 152865, 184255, 203109, 331659, 338515, 552765, 609327, 1015545, 1658295, 2911229, 3046635, 8733687, 14556145, 26201061, 43668435, 131005305]

約数ペア:

[(1, 131005305), (3, 43668435), (5, 26201061), (9, 14556145), (15, 8733687), (43, 3046635), (45, 2911229), (79, 1658295), (129, 1015545), (215, 609327), (237, 552765), (387, 338515), (395, 331659), (645, 203109), (711, 184255), (857, 152865), (1185, 110553), (1935, 67703), (2571, 50955), (3397, 38565), (3555, 36851), (4285, 30573), (7713, 16985), (10191, 12855)]