1661550513

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{3593}}^1$

素因数の和:3702

約数の個数: 48

約数和(自身を含む): 2716718976

約数和(自身を除く): 1055168463

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 361, 399, 427, 1083, 1159, 1281, 2527, 3477, 3593, 7581, 8113, 10779, 22021, 24339, 25151, 66063, 68267, 75453, 154147, 204801, 219173, 462441, 477869, 657519, 1297073, 1433607, 1534211, 3891219, 4164287, 4602633, 9079511, 12492861, 27238533, 29150009, 79121453, 87450027, 237364359, 553850171, 1661550513]

約数ペア:

[(1, 1661550513), (3, 553850171), (7, 237364359), (19, 87450027), (21, 79121453), (57, 29150009), (61, 27238533), (133, 12492861), (183, 9079511), (361, 4602633), (399, 4164287), (427, 3891219), (1083, 1534211), (1159, 1433607), (1281, 1297073), (2527, 657519), (3477, 477869), (3593, 462441), (7581, 219173), (8113, 204801), (10779, 154147), (22021, 75453), (24339, 68267), (25151, 66063)]