15321516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 42287616

約数和(自身を除く): 26966100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 367, 426, 497, 588, 734, 852, 994, 1101, 1468, 1491, 1988, 2202, 2569, 2982, 3479, 4404, 5138, 5964, 6958, 7707, 10276, 10437, 13916, 15414, 17983, 20874, 26057, 30828, 35966, 41748, 52114, 53949, 71932, 78171, 104228, 107898, 156342, 182399, 215796, 312684, 364798, 547197, 729596, 1094394, 1276793, 2188788, 2553586, 3830379, 5107172, 7660758, 15321516]

約数ペア:

[(1, 15321516), (2, 7660758), (3, 5107172), (4, 3830379), (6, 2553586), (7, 2188788), (12, 1276793), (14, 1094394), (21, 729596), (28, 547197), (42, 364798), (49, 312684), (71, 215796), (84, 182399), (98, 156342), (142, 107898), (147, 104228), (196, 78171), (213, 71932), (284, 53949), (294, 52114), (367, 41748), (426, 35966), (497, 30828), (588, 26057), (734, 20874), (852, 17983), (994, 15414), (1101, 13916), (1468, 10437), (1491, 10276), (1988, 7707), (2202, 6958), (2569, 5964), (2982, 5138), (3479, 4404)]