28615425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 22452735

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 467, 475, 645, 817, 1075, 1401, 1425, 2335, 2451, 3225, 4085, 7005, 8873, 11675, 12255, 20081, 20425, 26619, 35025, 44365, 60243, 61275, 100405, 133095, 221825, 301215, 381539, 502025, 665475, 1144617, 1506075, 1907695, 5723085, 9538475, 28615425]

約数ペア:

[(1, 28615425), (3, 9538475), (5, 5723085), (15, 1907695), (19, 1506075), (25, 1144617), (43, 665475), (57, 502025), (75, 381539), (95, 301215), (129, 221825), (215, 133095), (285, 100405), (467, 61275), (475, 60243), (645, 44365), (817, 35025), (1075, 26619), (1401, 20425), (1425, 20081), (2335, 12255), (2451, 11675), (3225, 8873), (4085, 7005)]