2198745

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 4051080

約数和(自身を除く): 1852335

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 89, 135, 183, 267, 305, 405, 445, 549, 801, 915, 1335, 1647, 2403, 2745, 4005, 4941, 5429, 7209, 8235, 12015, 16287, 24705, 27145, 36045, 48861, 81435, 146583, 244305, 439749, 732915, 2198745]

約数ペア:

[(1, 2198745), (3, 732915), (5, 439749), (9, 244305), (15, 146583), (27, 81435), (45, 48861), (61, 36045), (81, 27145), (89, 24705), (135, 16287), (183, 12015), (267, 8235), (305, 7209), (405, 5429), (445, 4941), (549, 4005), (801, 2745), (915, 2403), (1335, 1647)]