221519085

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 361677312

約数和(自身を除く): 140158227

約数列:

[1, 3, 5, 15, 67, 201, 227, 335, 681, 971, 1005, 1135, 2913, 3405, 4855, 14565, 15209, 45627, 65057, 76045, 195171, 220417, 228135, 325285, 661251, 975855, 1102085, 3306255, 14767939, 44303817, 73839695, 221519085]

約数ペア:

[(1, 221519085), (3, 73839695), (5, 44303817), (15, 14767939), (67, 3306255), (201, 1102085), (227, 975855), (335, 661251), (681, 325285), (971, 228135), (1005, 220417), (1135, 195171), (2913, 76045), (3405, 65057), (4855, 45627), (14565, 15209)]