222725619

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8513}}^1$

素因数の和:8561

約数の個数: 40

約数和(自身を含む): 370869840

約数和(自身を除く): 148144221

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 1377, 1539, 2907, 8513, 8721, 25539, 26163, 76617, 144721, 161747, 229851, 434163, 485241, 689553, 1302489, 1455723, 2749699, 3907467, 4367169, 8249097, 11722401, 13101507, 24747291, 74241873, 222725619]

約数ペア:

[(1, 222725619), (3, 74241873), (9, 24747291), (17, 13101507), (19, 11722401), (27, 8249097), (51, 4367169), (57, 3907467), (81, 2749699), (153, 1455723), (171, 1302489), (323, 689553), (459, 485241), (513, 434163), (969, 229851), (1377, 161747), (1539, 144721), (2907, 76617), (8513, 26163), (8721, 25539)]