28205133

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 43008000

約数和(自身を除く): 14802867

約数列:

[1, 3, 11, 31, 33, 79, 93, 237, 341, 349, 869, 1023, 1047, 2449, 2607, 3839, 7347, 10819, 11517, 26939, 27571, 32457, 80817, 82713, 119009, 303281, 357027, 854701, 909843, 2564103, 9401711, 28205133]

約数ペア:

[(1, 28205133), (3, 9401711), (11, 2564103), (31, 909843), (33, 854701), (79, 357027), (93, 303281), (237, 119009), (341, 82713), (349, 80817), (869, 32457), (1023, 27571), (1047, 26939), (2449, 11517), (2607, 10819), (3839, 7347)]