81402435

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 152616960

約数和(自身を除く): 71214525

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 53, 93, 135, 155, 159, 265, 279, 367, 465, 477, 795, 837, 1101, 1395, 1431, 1643, 1835, 2385, 3303, 4185, 4929, 5505, 7155, 8215, 9909, 11377, 14787, 16515, 19451, 24645, 34131, 44361, 49545, 56885, 58353, 73935, 97255, 102393, 170655, 175059, 221805, 291765, 307179, 511965, 525177, 602981, 875295, 1535895, 1808943, 2625885, 3014905, 5426829, 9044715, 16280487, 27134145, 81402435]

約数ペア:

[(1, 81402435), (3, 27134145), (5, 16280487), (9, 9044715), (15, 5426829), (27, 3014905), (31, 2625885), (45, 1808943), (53, 1535895), (93, 875295), (135, 602981), (155, 525177), (159, 511965), (265, 307179), (279, 291765), (367, 221805), (465, 175059), (477, 170655), (795, 102393), (837, 97255), (1101, 73935), (1395, 58353), (1431, 56885), (1643, 49545), (1835, 44361), (2385, 34131), (3303, 24645), (4185, 19451), (4929, 16515), (5505, 14787), (7155, 11377), (8215, 9909)]