397660905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 715674960

約数和(自身を除く): 318014055

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 461, 661, 1305, 1383, 1983, 2305, 3305, 4149, 5949, 6915, 9915, 13369, 19169, 20745, 29745, 40107, 57507, 66845, 95845, 120321, 172521, 200535, 287535, 304721, 601605, 862605, 914163, 1523605, 2742489, 4570815, 8836909, 13712445, 26510727, 44184545, 79532181, 132553635, 397660905]

約数ペア:

[(1, 397660905), (3, 132553635), (5, 79532181), (9, 44184545), (15, 26510727), (29, 13712445), (45, 8836909), (87, 4570815), (145, 2742489), (261, 1523605), (435, 914163), (461, 862605), (661, 601605), (1305, 304721), (1383, 287535), (1983, 200535), (2305, 172521), (3305, 120321), (4149, 95845), (5949, 66845), (6915, 57507), (9915, 40107), (13369, 29745), (19169, 20745)]