201930165

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 387858240

約数和(自身を除く): 185928075

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 139, 153, 211, 255, 405, 417, 459, 633, 695, 765, 1055, 1251, 1377, 1899, 2085, 2295, 2363, 3165, 3587, 3753, 5697, 6255, 6885, 7089, 9495, 10761, 11259, 11815, 17091, 17935, 18765, 21267, 28485, 29329, 32283, 35445, 53805, 56295, 63801, 85455, 87987, 96849, 106335, 146645, 161415, 191403, 263961, 290547, 319005, 439935, 484245, 498593, 791883, 957015, 1319805, 1452735, 1495779, 2375649, 2492965, 3959415, 4487337, 7478895, 11878245, 13462011, 22436685, 40386033, 67310055, 201930165]

約数ペア:

[(1, 201930165), (3, 67310055), (5, 40386033), (9, 22436685), (15, 13462011), (17, 11878245), (27, 7478895), (45, 4487337), (51, 3959415), (81, 2492965), (85, 2375649), (135, 1495779), (139, 1452735), (153, 1319805), (211, 957015), (255, 791883), (405, 498593), (417, 484245), (459, 439935), (633, 319005), (695, 290547), (765, 263961), (1055, 191403), (1251, 161415), (1377, 146645), (1899, 106335), (2085, 96849), (2295, 87987), (2363, 85455), (3165, 63801), (3587, 56295), (3753, 53805), (5697, 35445), (6255, 32283), (6885, 29329), (7089, 28485), (9495, 21267), (10761, 18765), (11259, 17935), (11815, 17091)]