27806715

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 22231845

約数列:

[1, 3, 5, 9, 15, 45, 53, 89, 131, 159, 265, 267, 393, 445, 477, 655, 795, 801, 1179, 1335, 1965, 2385, 4005, 4717, 5895, 6943, 11659, 14151, 20829, 23585, 34715, 34977, 42453, 58295, 62487, 70755, 104145, 104931, 174885, 212265, 312435, 524655, 617927, 1853781, 3089635, 5561343, 9268905, 27806715]

約数ペア:

[(1, 27806715), (3, 9268905), (5, 5561343), (9, 3089635), (15, 1853781), (45, 617927), (53, 524655), (89, 312435), (131, 212265), (159, 174885), (265, 104931), (267, 104145), (393, 70755), (445, 62487), (477, 58295), (655, 42453), (795, 34977), (801, 34715), (1179, 23585), (1335, 20829), (1965, 14151), (2385, 11659), (4005, 6943), (4717, 5895)]