201964851

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 346906560

約数和(自身を除く): 144941709

約数列:

[1, 3, 9, 11, 19, 33, 43, 57, 99, 121, 129, 171, 209, 227, 363, 387, 473, 627, 681, 817, 1089, 1419, 1881, 2043, 2299, 2451, 2497, 4257, 4313, 5203, 6897, 7353, 7491, 8987, 9761, 12939, 15609, 20691, 22473, 26961, 27467, 29283, 38817, 46827, 47443, 80883, 82401, 87849, 98857, 107371, 142329, 185459, 247203, 296571, 322113, 426987, 521873, 556377, 889713, 966339, 1181081, 1565619, 1669131, 2040049, 3543243, 4696857, 6120147, 10629729, 18360441, 22440539, 67321617, 201964851]

約数ペア:

[(1, 201964851), (3, 67321617), (9, 22440539), (11, 18360441), (19, 10629729), (33, 6120147), (43, 4696857), (57, 3543243), (99, 2040049), (121, 1669131), (129, 1565619), (171, 1181081), (209, 966339), (227, 889713), (363, 556377), (387, 521873), (473, 426987), (627, 322113), (681, 296571), (817, 247203), (1089, 185459), (1419, 142329), (1881, 107371), (2043, 98857), (2299, 87849), (2451, 82401), (2497, 80883), (4257, 47443), (4313, 46827), (5203, 38817), (6897, 29283), (7353, 27467), (7491, 26961), (8987, 22473), (9761, 20691), (12939, 15609)]