213534711

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 60

約数和(自身を含む): 364030920

約数和(自身を除く): 150496209

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 169, 171, 247, 351, 507, 513, 741, 821, 1053, 1521, 1539, 2223, 2463, 3211, 4563, 6669, 7389, 9633, 10673, 13689, 15599, 20007, 22167, 28899, 32019, 46797, 66501, 86697, 96057, 138749, 140391, 202787, 260091, 288171, 416247, 421173, 608361, 864513, 1248741, 1263519, 1825083, 2636231, 3746223, 5475249, 7908693, 11238669, 16425747, 23726079, 71178237, 213534711]

約数ペア:

[(1, 213534711), (3, 71178237), (9, 23726079), (13, 16425747), (19, 11238669), (27, 7908693), (39, 5475249), (57, 3746223), (81, 2636231), (117, 1825083), (169, 1263519), (171, 1248741), (247, 864513), (351, 608361), (507, 421173), (513, 416247), (741, 288171), (821, 260091), (1053, 202787), (1521, 140391), (1539, 138749), (2223, 96057), (2463, 86697), (3211, 66501), (4563, 46797), (6669, 32019), (7389, 28899), (9633, 22167), (10673, 20007), (13689, 15599)]