40572609

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 71442432

約数和(自身を除く): 30869823

約数列:

[1, 3, 7, 11, 21, 33, 37, 47, 77, 101, 111, 141, 231, 259, 303, 329, 407, 517, 707, 777, 987, 1111, 1221, 1551, 1739, 2121, 2849, 3333, 3619, 3737, 4747, 5217, 7777, 8547, 10857, 11211, 12173, 14241, 19129, 23331, 26159, 33229, 36519, 41107, 52217, 57387, 78477, 99687, 123321, 133903, 156651, 175639, 287749, 365519, 401709, 526917, 863247, 1096557, 1229473, 1932029, 3688419, 5796087, 13524203, 40572609]

約数ペア:

[(1, 40572609), (3, 13524203), (7, 5796087), (11, 3688419), (21, 1932029), (33, 1229473), (37, 1096557), (47, 863247), (77, 526917), (101, 401709), (111, 365519), (141, 287749), (231, 175639), (259, 156651), (303, 133903), (329, 123321), (407, 99687), (517, 78477), (707, 57387), (777, 52217), (987, 41107), (1111, 36519), (1221, 33229), (1551, 26159), (1739, 23331), (2121, 19129), (2849, 14241), (3333, 12173), (3619, 11211), (3737, 10857), (4747, 8547), (5217, 7777)]