201815295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 357146496

約数和(自身を除く): 155331201

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 251, 363, 443, 605, 753, 1255, 1329, 1815, 2215, 2761, 3765, 4873, 6645, 8283, 13805, 14619, 24365, 30371, 41415, 53603, 73095, 91113, 111193, 151855, 160809, 268015, 333579, 455565, 555965, 804045, 1223123, 1667895, 3669369, 6115615, 13454353, 18346845, 40363059, 67271765, 201815295]

約数ペア:

[(1, 201815295), (3, 67271765), (5, 40363059), (11, 18346845), (15, 13454353), (33, 6115615), (55, 3669369), (121, 1667895), (165, 1223123), (251, 804045), (363, 555965), (443, 455565), (605, 333579), (753, 268015), (1255, 160809), (1329, 151855), (1815, 111193), (2215, 91113), (2761, 73095), (3765, 53603), (4873, 41415), (6645, 30371), (8283, 24365), (13805, 14619)]