291735513

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 452745216

約数和(自身を除く): 161009703

約数列:

[1, 3, 9, 27, 31, 81, 93, 223, 279, 521, 669, 837, 1563, 2007, 2511, 4689, 6021, 6913, 14067, 16151, 18063, 20739, 42201, 48453, 62217, 116183, 145359, 186651, 348549, 436077, 559953, 1045647, 1308231, 3136941, 3601673, 9410823, 10805019, 32415057, 97245171, 291735513]

約数ペア:

[(1, 291735513), (3, 97245171), (9, 32415057), (27, 10805019), (31, 9410823), (81, 3601673), (93, 3136941), (223, 1308231), (279, 1045647), (521, 559953), (669, 436077), (837, 348549), (1563, 186651), (2007, 145359), (2511, 116183), (4689, 62217), (6021, 48453), (6913, 42201), (14067, 20739), (16151, 18063)]