90828081

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 148838400

約数和(自身を除く): 58010319

約数列:

[1, 3, 9, 23, 27, 37, 59, 67, 69, 111, 177, 201, 207, 333, 531, 603, 621, 851, 999, 1357, 1541, 1593, 1809, 2183, 2479, 2553, 3953, 4071, 4623, 6549, 7437, 7659, 11859, 12213, 13869, 19647, 22311, 22977, 35577, 36639, 41607, 50209, 57017, 58941, 66933, 90919, 106731, 146261, 150627, 171051, 272757, 438783, 451881, 513153, 818271, 1316349, 1355643, 1539459, 2454813, 3364003, 3949047, 10092009, 30276027, 90828081]

約数ペア:

[(1, 90828081), (3, 30276027), (9, 10092009), (23, 3949047), (27, 3364003), (37, 2454813), (59, 1539459), (67, 1355643), (69, 1316349), (111, 818271), (177, 513153), (201, 451881), (207, 438783), (333, 272757), (531, 171051), (603, 150627), (621, 146261), (851, 106731), (999, 90919), (1357, 66933), (1541, 58941), (1593, 57017), (1809, 50209), (2183, 41607), (2479, 36639), (2553, 35577), (3953, 22977), (4071, 22311), (4623, 19647), (6549, 13869), (7437, 12213), (7659, 11859)]