15663821271

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{2089}}^1$

素因数の和:2324

約数の個数: 64

約数和(自身を含む): 24962826240

約数和(自身を除く): 9299004969

約数列:

[1, 3, 7, 21, 47, 71, 107, 141, 213, 321, 329, 497, 749, 987, 1491, 2089, 2247, 3337, 5029, 6267, 7597, 10011, 14623, 15087, 22791, 23359, 35203, 43869, 53179, 70077, 98183, 105609, 148319, 159537, 223523, 294549, 357059, 444957, 670569, 687281, 1038233, 1071177, 1564661, 2061843, 2499413, 3114699, 4693983, 6970993, 7498239, 10505581, 15870133, 20912979, 31516743, 47610399, 48796951, 73539067, 111090931, 146390853, 220617201, 333272793, 745896251, 2237688753, 5221273757, 15663821271]

約数ペア:

[(1, 15663821271), (3, 5221273757), (7, 2237688753), (21, 745896251), (47, 333272793), (71, 220617201), (107, 146390853), (141, 111090931), (213, 73539067), (321, 48796951), (329, 47610399), (497, 31516743), (749, 20912979), (987, 15870133), (1491, 10505581), (2089, 7498239), (2247, 6970993), (3337, 4693983), (5029, 3114699), (6267, 2499413), (7597, 2061843), (10011, 1564661), (14623, 1071177), (15087, 1038233), (22791, 687281), (23359, 670569), (35203, 444957), (43869, 357059), (53179, 294549), (70077, 223523), (98183, 159537), (105609, 148319)]