221640951

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{1621}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 358760448

約数和(自身を除く): 137119497

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 383, 1149, 1621, 2681, 4863, 6511, 8043, 11347, 19533, 27557, 34041, 45577, 82671, 136731, 192899, 578697, 620843, 1862529, 4345901, 10554331, 13037703, 31662993, 73880317, 221640951]

約数ペア:

[(1, 221640951), (3, 73880317), (7, 31662993), (17, 13037703), (21, 10554331), (51, 4345901), (119, 1862529), (357, 620843), (383, 578697), (1149, 192899), (1621, 136731), (2681, 82671), (4863, 45577), (6511, 34041), (8043, 27557), (11347, 19533)]