233668281

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 414996480

約数和(自身を除く): 181328199

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 157, 187, 231, 357, 379, 471, 561, 1099, 1137, 1309, 1727, 2653, 2669, 3297, 3927, 4169, 5181, 6443, 7959, 8007, 12089, 12507, 18683, 19329, 29183, 29359, 36267, 45101, 56049, 59503, 70873, 87549, 88077, 135303, 178509, 205513, 212619, 416521, 496111, 616539, 654533, 1011551, 1249563, 1488333, 1963599, 3034653, 4581731, 7080857, 11127061, 13745193, 21242571, 33381183, 77889427, 233668281]

約数ペア:

[(1, 233668281), (3, 77889427), (7, 33381183), (11, 21242571), (17, 13745193), (21, 11127061), (33, 7080857), (51, 4581731), (77, 3034653), (119, 1963599), (157, 1488333), (187, 1249563), (231, 1011551), (357, 654533), (379, 616539), (471, 496111), (561, 416521), (1099, 212619), (1137, 205513), (1309, 178509), (1727, 135303), (2653, 88077), (2669, 87549), (3297, 70873), (3927, 59503), (4169, 56049), (5181, 45101), (6443, 36267), (7959, 29359), (8007, 29183), (12089, 19329), (12507, 18683)]