201215637

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 358072320

約数和(自身を除く): 156856683

約数列:

[1, 3, 7, 9, 21, 27, 31, 61, 63, 93, 183, 189, 217, 279, 427, 549, 563, 651, 837, 1281, 1647, 1689, 1891, 1953, 3843, 3941, 5067, 5673, 5859, 11529, 11823, 13237, 15201, 17019, 17453, 34343, 35469, 39711, 51057, 52359, 103029, 106407, 119133, 122171, 157077, 240401, 309087, 357399, 366513, 471231, 721203, 927261, 1064633, 1099539, 2163609, 3193899, 3298617, 6490827, 7452431, 9581697, 22357293, 28745091, 67071879, 201215637]

約数ペア:

[(1, 201215637), (3, 67071879), (7, 28745091), (9, 22357293), (21, 9581697), (27, 7452431), (31, 6490827), (61, 3298617), (63, 3193899), (93, 2163609), (183, 1099539), (189, 1064633), (217, 927261), (279, 721203), (427, 471231), (549, 366513), (563, 357399), (651, 309087), (837, 240401), (1281, 157077), (1647, 122171), (1689, 119133), (1891, 106407), (1953, 103029), (3843, 52359), (3941, 51057), (5067, 39711), (5673, 35469), (5859, 34343), (11529, 17453), (11823, 17019), (13237, 15201)]