18036513

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:707

約数の個数: 40

約数和(自身を含む): 30387456

約数和(自身を除く): 12350943

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 279, 297, 341, 653, 837, 891, 1023, 1959, 2511, 3069, 5877, 7183, 9207, 17631, 20243, 21549, 27621, 52893, 60729, 64647, 182187, 193941, 222673, 546561, 581823, 668019, 1639683, 2004057, 6012171, 18036513]

約数ペア:

[(1, 18036513), (3, 6012171), (9, 2004057), (11, 1639683), (27, 668019), (31, 581823), (33, 546561), (81, 222673), (93, 193941), (99, 182187), (279, 64647), (297, 60729), (341, 52893), (653, 27621), (837, 21549), (891, 20243), (1023, 17631), (1959, 9207), (2511, 7183), (3069, 5877)]