2519811

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4552704

約数和(自身を除く): 2032893

約数列:

[1, 3, 7, 9, 21, 23, 37, 47, 63, 69, 111, 141, 161, 207, 259, 329, 333, 423, 483, 777, 851, 987, 1081, 1449, 1739, 2331, 2553, 2961, 3243, 5217, 5957, 7567, 7659, 9729, 12173, 15651, 17871, 22701, 36519, 39997, 53613, 68103, 109557, 119991, 279979, 359973, 839937, 2519811]

約数ペア:

[(1, 2519811), (3, 839937), (7, 359973), (9, 279979), (21, 119991), (23, 109557), (37, 68103), (47, 53613), (63, 39997), (69, 36519), (111, 22701), (141, 17871), (161, 15651), (207, 12173), (259, 9729), (329, 7659), (333, 7567), (423, 5957), (483, 5217), (777, 3243), (851, 2961), (987, 2553), (1081, 2331), (1449, 1739)]