641940915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79399}}^1$

素因数の和:79432

約数の個数: 48

約数和(自身を含む): 1303430400

約数和(自身を除く): 661489485

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 79399, 238197, 396995, 555793, 873389, 1190985, 1667379, 2620167, 2778965, 3890551, 4366945, 6113723, 8336895, 11671653, 13100835, 18341169, 19452755, 30568615, 42796061, 58358265, 91705845, 128388183, 213980305, 641940915]

約数ペア:

[(1, 641940915), (3, 213980305), (5, 128388183), (7, 91705845), (11, 58358265), (15, 42796061), (21, 30568615), (33, 19452755), (35, 18341169), (49, 13100835), (55, 11671653), (77, 8336895), (105, 6113723), (147, 4366945), (165, 3890551), (231, 2778965), (245, 2620167), (385, 1667379), (539, 1190985), (735, 873389), (1155, 555793), (1617, 396995), (2695, 238197), (8085, 79399)]