221821119

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 359177760

約数和(自身を除く): 137356641

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 173, 281, 351, 507, 519, 843, 1521, 1557, 2249, 2529, 3653, 4563, 4671, 6747, 7587, 10959, 20241, 29237, 32877, 47489, 48613, 60723, 87711, 98631, 142467, 145839, 263133, 427401, 437517, 631969, 789399, 1282203, 1312551, 1895907, 5687721, 8215597, 17063163, 24646791, 73940373, 221821119]

約数ペア:

[(1, 221821119), (3, 73940373), (9, 24646791), (13, 17063163), (27, 8215597), (39, 5687721), (117, 1895907), (169, 1312551), (173, 1282203), (281, 789399), (351, 631969), (507, 437517), (519, 427401), (843, 263133), (1521, 145839), (1557, 142467), (2249, 98631), (2529, 87711), (3653, 60723), (4563, 48613), (4671, 47489), (6747, 32877), (7587, 29237), (10959, 20241)]