201800925

素因数分解:

$3^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{4507}}^1$

素因数の和:4722

約数の個数: 36

約数和(自身を含む): 363344800

約数和(自身を除く): 161543875

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 199, 225, 597, 995, 1791, 2985, 4507, 4975, 8955, 13521, 14925, 22535, 40563, 44775, 67605, 112675, 202815, 338025, 896893, 1014075, 2690679, 4484465, 8072037, 13453395, 22422325, 40360185, 67266975, 201800925]

約数ペア:

[(1, 201800925), (3, 67266975), (5, 40360185), (9, 22422325), (15, 13453395), (25, 8072037), (45, 4484465), (75, 2690679), (199, 1014075), (225, 896893), (597, 338025), (995, 202815), (1791, 112675), (2985, 67605), (4507, 44775), (4975, 40563), (8955, 22535), (13521, 14925)]