219345975

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5701}}^1$

素因数の和:5742

約数の個数: 60

約数和(自身を含む): 427764040

約数和(自身を除く): 208418065

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 475, 513, 675, 855, 1425, 1539, 2025, 2565, 4275, 5701, 7695, 12825, 17103, 28505, 38475, 51309, 85515, 108319, 142525, 153927, 256545, 324957, 427575, 461781, 541595, 769635, 974871, 1282725, 1624785, 2308905, 2707975, 2924613, 3848175, 4874355, 8123925, 8773839, 11544525, 14623065, 24371775, 43869195, 73115325, 219345975]

約数ペア:

[(1, 219345975), (3, 73115325), (5, 43869195), (9, 24371775), (15, 14623065), (19, 11544525), (25, 8773839), (27, 8123925), (45, 4874355), (57, 3848175), (75, 2924613), (81, 2707975), (95, 2308905), (135, 1624785), (171, 1282725), (225, 974871), (285, 769635), (405, 541595), (475, 461781), (513, 427575), (675, 324957), (855, 256545), (1425, 153927), (1539, 142525), (2025, 108319), (2565, 85515), (4275, 51309), (5701, 38475), (7695, 28505), (12825, 17103)]