31641885

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 28898595

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 97, 99, 165, 291, 485, 495, 659, 873, 1067, 1455, 1977, 3201, 3295, 4365, 5335, 5931, 7249, 9603, 9885, 16005, 21747, 29655, 36245, 48015, 63923, 65241, 108735, 191769, 319615, 326205, 575307, 703153, 958845, 2109459, 2876535, 3515765, 6328377, 10547295, 31641885]

約数ペア:

[(1, 31641885), (3, 10547295), (5, 6328377), (9, 3515765), (11, 2876535), (15, 2109459), (33, 958845), (45, 703153), (55, 575307), (97, 326205), (99, 319615), (165, 191769), (291, 108735), (485, 65241), (495, 63923), (659, 48015), (873, 36245), (1067, 29655), (1455, 21747), (1977, 16005), (3201, 9885), (3295, 9603), (4365, 7249), (5335, 5931)]