178113879

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:165

約数の個数: 54

約数和(自身を含む): 288245984

約数和(自身を除く): 110132105

約数列:

[1, 3, 9, 17, 31, 47, 51, 93, 141, 153, 279, 289, 423, 527, 799, 867, 1457, 1581, 2209, 2397, 2601, 4371, 4743, 6627, 7191, 8959, 13113, 13583, 19881, 24769, 26877, 37553, 40749, 68479, 74307, 80631, 112659, 122247, 205437, 222921, 337977, 421073, 616311, 638401, 1164143, 1263219, 1915203, 3492429, 3789657, 5745609, 10477287, 19790431, 59371293, 178113879]

約数ペア:

[(1, 178113879), (3, 59371293), (9, 19790431), (17, 10477287), (31, 5745609), (47, 3789657), (51, 3492429), (93, 1915203), (141, 1263219), (153, 1164143), (279, 638401), (289, 616311), (423, 421073), (527, 337977), (799, 222921), (867, 205437), (1457, 122247), (1581, 112659), (2209, 80631), (2397, 74307), (2601, 68479), (4371, 40749), (4743, 37553), (6627, 26877), (7191, 24769), (8959, 19881), (13113, 13583)]