207444915

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 381542400

約数和(自身を除く): 174097485

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 79, 135, 159, 237, 265, 367, 395, 477, 711, 795, 1101, 1185, 1431, 1835, 2133, 2385, 3303, 3555, 4187, 5505, 7155, 9909, 10665, 12561, 16515, 19451, 20935, 28993, 37683, 49545, 58353, 62805, 86979, 97255, 113049, 144965, 175059, 188415, 260937, 291765, 434895, 525177, 565245, 782811, 875295, 1304685, 1536629, 2625885, 3914055, 4609887, 7683145, 13829661, 23049435, 41488983, 69148305, 207444915]

約数ペア:

[(1, 207444915), (3, 69148305), (5, 41488983), (9, 23049435), (15, 13829661), (27, 7683145), (45, 4609887), (53, 3914055), (79, 2625885), (135, 1536629), (159, 1304685), (237, 875295), (265, 782811), (367, 565245), (395, 525177), (477, 434895), (711, 291765), (795, 260937), (1101, 188415), (1185, 175059), (1431, 144965), (1835, 113049), (2133, 97255), (2385, 86979), (3303, 62805), (3555, 58353), (4187, 49545), (5505, 37683), (7155, 28993), (9909, 20935), (10665, 19451), (12561, 16515)]