1405202013

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1199

約数の個数: 40

約数和(自身を含む): 2132000640

約数和(自身を除く): 726798627

約数列:

[1, 3, 9, 27, 81, 137, 139, 411, 417, 911, 1233, 1251, 2733, 3699, 3753, 8199, 11097, 11259, 19043, 24597, 57129, 73791, 124807, 126629, 171387, 374421, 379887, 514161, 1123263, 1139661, 1542483, 3369789, 3418983, 10109367, 10256949, 17348173, 52044519, 156133557, 468400671, 1405202013]

約数ペア:

[(1, 1405202013), (3, 468400671), (9, 156133557), (27, 52044519), (81, 17348173), (137, 10256949), (139, 10109367), (411, 3418983), (417, 3369789), (911, 1542483), (1233, 1139661), (1251, 1123263), (2733, 514161), (3699, 379887), (3753, 374421), (8199, 171387), (11097, 126629), (11259, 124807), (19043, 73791), (24597, 57129)]