201218475

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 341978112

約数和(自身を除く): 140759637

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 223, 227, 265, 669, 681, 795, 1115, 1135, 1325, 3345, 3405, 3975, 5575, 5675, 11819, 12031, 16725, 17025, 35457, 36093, 50621, 59095, 60155, 151863, 177285, 180465, 253105, 295475, 300775, 759315, 886425, 902325, 1265525, 2682913, 3796575, 8048739, 13414565, 40243695, 67072825, 201218475]

約数ペア:

[(1, 201218475), (3, 67072825), (5, 40243695), (15, 13414565), (25, 8048739), (53, 3796575), (75, 2682913), (159, 1265525), (223, 902325), (227, 886425), (265, 759315), (669, 300775), (681, 295475), (795, 253105), (1115, 180465), (1135, 177285), (1325, 151863), (3345, 60155), (3405, 59095), (3975, 50621), (5575, 36093), (5675, 35457), (11819, 17025), (12031, 16725)]