291878223

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1879}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 480076800

約数和(自身を除く): 188198577

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 569, 1707, 1879, 3983, 5637, 7397, 11949, 13153, 22191, 24427, 39459, 51779, 73281, 155337, 170989, 512967, 1069151, 3207453, 7484057, 13898963, 22452171, 41696889, 97292741, 291878223]

約数ペア:

[(1, 291878223), (3, 97292741), (7, 41696889), (13, 22452171), (21, 13898963), (39, 7484057), (91, 3207453), (273, 1069151), (569, 512967), (1707, 170989), (1879, 155337), (3983, 73281), (5637, 51779), (7397, 39459), (11949, 24427), (13153, 22191)]