201556509

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 346871808

約数和(自身を除く): 145315299

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 101, 159, 163, 231, 303, 371, 489, 583, 707, 1111, 1113, 1141, 1749, 1793, 2121, 3333, 3423, 4081, 5353, 5379, 7777, 8639, 12243, 12551, 16059, 16463, 23331, 25917, 37471, 37653, 49389, 58883, 60473, 95029, 112413, 115241, 176649, 181093, 181419, 285087, 345723, 412181, 543279, 665203, 872539, 1236543, 1267651, 1995609, 2617617, 3802953, 6107773, 9597929, 18323319, 28793787, 67185503, 201556509]

約数ペア:

[(1, 201556509), (3, 67185503), (7, 28793787), (11, 18323319), (21, 9597929), (33, 6107773), (53, 3802953), (77, 2617617), (101, 1995609), (159, 1267651), (163, 1236543), (231, 872539), (303, 665203), (371, 543279), (489, 412181), (583, 345723), (707, 285087), (1111, 181419), (1113, 181093), (1141, 176649), (1749, 115241), (1793, 112413), (2121, 95029), (3333, 60473), (3423, 58883), (4081, 49389), (5353, 37653), (5379, 37471), (7777, 25917), (8639, 23331), (12243, 16463), (12551, 16059)]