153207621

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7529}}^1$

素因数の和:7578

約数の個数: 48

約数和(自身を含む): 281923200

約数和(自身を除く): 128715579

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 2261, 2907, 6783, 7529, 20349, 22587, 52703, 67761, 127993, 143051, 158109, 383979, 429153, 474327, 895951, 1001357, 1151937, 1287459, 2431867, 2687853, 3004071, 7295601, 8063559, 9012213, 17023069, 21886803, 51069207, 153207621]

約数ペア:

[(1, 153207621), (3, 51069207), (7, 21886803), (9, 17023069), (17, 9012213), (19, 8063559), (21, 7295601), (51, 3004071), (57, 2687853), (63, 2431867), (119, 1287459), (133, 1151937), (153, 1001357), (171, 895951), (323, 474327), (357, 429153), (399, 383979), (969, 158109), (1071, 143051), (1197, 127993), (2261, 67761), (2907, 52703), (6783, 22587), (7529, 20349)]