81357228

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 213621408

約数和(自身を除く): 132264180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 103, 111, 148, 206, 222, 309, 333, 412, 444, 593, 618, 666, 927, 1186, 1236, 1332, 1779, 1854, 2372, 3558, 3708, 3811, 5337, 7116, 7622, 10674, 11433, 15244, 21348, 21941, 22866, 34299, 43882, 45732, 61079, 65823, 68598, 87764, 122158, 131646, 137196, 183237, 197469, 244316, 263292, 366474, 394938, 549711, 732948, 789876, 1099422, 2198844, 2259923, 4519846, 6779769, 9039692, 13559538, 20339307, 27119076, 40678614, 81357228]

約数ペア:

[(1, 81357228), (2, 40678614), (3, 27119076), (4, 20339307), (6, 13559538), (9, 9039692), (12, 6779769), (18, 4519846), (36, 2259923), (37, 2198844), (74, 1099422), (103, 789876), (111, 732948), (148, 549711), (206, 394938), (222, 366474), (309, 263292), (333, 244316), (412, 197469), (444, 183237), (593, 137196), (618, 131646), (666, 122158), (927, 87764), (1186, 68598), (1236, 65823), (1332, 61079), (1779, 45732), (1854, 43882), (2372, 34299), (3558, 22866), (3708, 21941), (3811, 21348), (5337, 15244), (7116, 11433), (7622, 10674)]