64143261

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 121581824

約数和(自身を除く): 57438563

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 271, 273, 289, 357, 663, 813, 819, 867, 1071, 1547, 1897, 1989, 2023, 2439, 2601, 3523, 3757, 4607, 4641, 5691, 6069, 10569, 11271, 13821, 13923, 17073, 18207, 24661, 26299, 31707, 32249, 33813, 41463, 59891, 73983, 78319, 78897, 96747, 179673, 221949, 234957, 236691, 290241, 419237, 539019, 548233, 704871, 1018147, 1257711, 1644699, 3054441, 3773133, 4934097, 7127029, 9163323, 21381087, 64143261]

約数ペア:

[(1, 64143261), (3, 21381087), (7, 9163323), (9, 7127029), (13, 4934097), (17, 3773133), (21, 3054441), (39, 1644699), (51, 1257711), (63, 1018147), (91, 704871), (117, 548233), (119, 539019), (153, 419237), (221, 290241), (271, 236691), (273, 234957), (289, 221949), (357, 179673), (663, 96747), (813, 78897), (819, 78319), (867, 73983), (1071, 59891), (1547, 41463), (1897, 33813), (1989, 32249), (2023, 31707), (2439, 26299), (2601, 24661), (3523, 18207), (3757, 17073), (4607, 13923), (4641, 13821), (5691, 11271), (6069, 10569)]