206846025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 353602368

約数和(自身を除く): 146756343

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 137, 205, 411, 491, 615, 685, 1025, 1473, 2055, 2455, 3075, 3425, 5617, 7365, 10275, 12275, 16851, 20131, 28085, 36825, 60393, 67267, 84255, 100655, 140425, 201801, 301965, 336335, 421275, 503275, 1009005, 1509825, 1681675, 2757947, 5045025, 8273841, 13789735, 41369205, 68948675, 206846025]

約数ペア:

[(1, 206846025), (3, 68948675), (5, 41369205), (15, 13789735), (25, 8273841), (41, 5045025), (75, 2757947), (123, 1681675), (137, 1509825), (205, 1009005), (411, 503275), (491, 421275), (615, 336335), (685, 301965), (1025, 201801), (1473, 140425), (2055, 100655), (2455, 84255), (3075, 67267), (3425, 60393), (5617, 36825), (7365, 28085), (10275, 20131), (12275, 16851)]