221403075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 379663200

約数和(自身を除く): 158260125

約数列:

[1, 3, 5, 15, 25, 41, 75, 89, 123, 205, 267, 445, 615, 809, 1025, 1335, 2225, 2427, 3075, 3649, 4045, 6675, 10947, 12135, 18245, 20225, 33169, 54735, 60675, 72001, 91225, 99507, 165845, 216003, 273675, 360005, 497535, 829225, 1080015, 1800025, 2487675, 2952041, 5400075, 8856123, 14760205, 44280615, 73801025, 221403075]

約数ペア:

[(1, 221403075), (3, 73801025), (5, 44280615), (15, 14760205), (25, 8856123), (41, 5400075), (75, 2952041), (89, 2487675), (123, 1800025), (205, 1080015), (267, 829225), (445, 497535), (615, 360005), (809, 273675), (1025, 216003), (1335, 165845), (2225, 99507), (2427, 91225), (3075, 72001), (3649, 60675), (4045, 54735), (6675, 33169), (10947, 20225), (12135, 18245)]