71643915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2879}}^1$

素因数の和:2976

約数の個数: 48

約数和(自身を含む): 143769600

約数和(自身を除く): 72125685

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 711, 1185, 1659, 2765, 2879, 3555, 4977, 8295, 8637, 14395, 20153, 24885, 25911, 43185, 60459, 100765, 129555, 181377, 227441, 302295, 682323, 906885, 1137205, 1592087, 2046969, 3411615, 4776261, 7960435, 10234845, 14328783, 23881305, 71643915]

約数ペア:

[(1, 71643915), (3, 23881305), (5, 14328783), (7, 10234845), (9, 7960435), (15, 4776261), (21, 3411615), (35, 2046969), (45, 1592087), (63, 1137205), (79, 906885), (105, 682323), (237, 302295), (315, 227441), (395, 181377), (553, 129555), (711, 100765), (1185, 60459), (1659, 43185), (2765, 25911), (2879, 24885), (3555, 20153), (4977, 14395), (8295, 8637)]