197961975

素因数分解:

$3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3371}}^1$

素因数の和:3422

約数の個数: 60

約数和(自身を含む): 379451160

約数和(自身を除く): 181489185

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 261, 405, 435, 675, 725, 783, 1305, 2025, 2175, 2349, 3371, 3915, 6525, 10113, 11745, 16855, 19575, 30339, 50565, 58725, 84275, 91017, 97759, 151695, 252825, 273051, 293277, 455085, 488795, 758475, 879831, 1365255, 1466385, 2275425, 2443975, 2639493, 4399155, 6826275, 7331925, 7918479, 13197465, 21995775, 39592395, 65987325, 197961975]

約数ペア:

[(1, 197961975), (3, 65987325), (5, 39592395), (9, 21995775), (15, 13197465), (25, 7918479), (27, 7331925), (29, 6826275), (45, 4399155), (75, 2639493), (81, 2443975), (87, 2275425), (135, 1466385), (145, 1365255), (225, 879831), (261, 758475), (405, 488795), (435, 455085), (675, 293277), (725, 273051), (783, 252825), (1305, 151695), (2025, 97759), (2175, 91017), (2349, 84275), (3371, 58725), (3915, 50565), (6525, 30339), (10113, 19575), (11745, 16855)]