199998975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1627}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 363369600

約数和(自身を除く): 163370625

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 149, 165, 275, 447, 745, 825, 1627, 1639, 2235, 3725, 4881, 4917, 8135, 8195, 11175, 17897, 24405, 24585, 40675, 40975, 53691, 89485, 122025, 122925, 242423, 268455, 447425, 727269, 1212115, 1342275, 2666653, 3636345, 6060575, 7999959, 13333265, 18181725, 39999795, 66666325, 199998975]

約数ペア:

[(1, 199998975), (3, 66666325), (5, 39999795), (11, 18181725), (15, 13333265), (25, 7999959), (33, 6060575), (55, 3636345), (75, 2666653), (149, 1342275), (165, 1212115), (275, 727269), (447, 447425), (745, 268455), (825, 242423), (1627, 122925), (1639, 122025), (2235, 89485), (3725, 53691), (4881, 40975), (4917, 40675), (8135, 24585), (8195, 24405), (11175, 17897)]