201646875

素因数分解:

$3^1\times 5^5\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 340665696

約数和(自身を除く): 139018821

約数列:

[1, 3, 5, 15, 25, 75, 125, 137, 157, 375, 411, 471, 625, 685, 785, 1875, 2055, 2355, 3125, 3425, 3925, 9375, 10275, 11775, 17125, 19625, 21509, 51375, 58875, 64527, 85625, 98125, 107545, 256875, 294375, 322635, 428125, 490625, 537725, 1284375, 1471875, 1613175, 2688625, 8065875, 13443125, 40329375, 67215625, 201646875]

約数ペア:

[(1, 201646875), (3, 67215625), (5, 40329375), (15, 13443125), (25, 8065875), (75, 2688625), (125, 1613175), (137, 1471875), (157, 1284375), (375, 537725), (411, 490625), (471, 428125), (625, 322635), (685, 294375), (785, 256875), (1875, 107545), (2055, 98125), (2355, 85625), (3125, 64527), (3425, 58875), (3925, 51375), (9375, 21509), (10275, 19625), (11775, 17125)]