7215195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 12563712

約数和(自身を除く): 5348517

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 227, 489, 681, 815, 1135, 2119, 2445, 2951, 3405, 6357, 8853, 10595, 14755, 31785, 37001, 44265, 111003, 185005, 481013, 555015, 1443039, 2405065, 7215195]

約数ペア:

[(1, 7215195), (3, 2405065), (5, 1443039), (13, 555015), (15, 481013), (39, 185005), (65, 111003), (163, 44265), (195, 37001), (227, 31785), (489, 14755), (681, 10595), (815, 8853), (1135, 6357), (2119, 3405), (2445, 2951)]