12968505

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 26345088

約数和(自身を除く): 13376583

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 41, 45, 55, 71, 81, 99, 123, 135, 165, 205, 213, 297, 355, 369, 405, 451, 495, 615, 639, 781, 891, 1065, 1107, 1353, 1485, 1845, 1917, 2255, 2343, 2911, 3195, 3321, 3905, 4059, 4455, 5535, 5751, 6765, 7029, 8733, 9585, 11715, 12177, 14555, 16605, 20295, 21087, 26199, 28755, 32021, 35145, 36531, 43665, 60885, 63261, 78597, 96063, 105435, 130995, 160105, 182655, 235791, 288189, 316305, 392985, 480315, 864567, 1178955, 1440945, 2593701, 4322835, 12968505]

約数ペア:

[(1, 12968505), (3, 4322835), (5, 2593701), (9, 1440945), (11, 1178955), (15, 864567), (27, 480315), (33, 392985), (41, 316305), (45, 288189), (55, 235791), (71, 182655), (81, 160105), (99, 130995), (123, 105435), (135, 96063), (165, 78597), (205, 63261), (213, 60885), (297, 43665), (355, 36531), (369, 35145), (405, 32021), (451, 28755), (495, 26199), (615, 21087), (639, 20295), (781, 16605), (891, 14555), (1065, 12177), (1107, 11715), (1353, 9585), (1485, 8733), (1845, 7029), (1917, 6765), (2255, 5751), (2343, 5535), (2911, 4455), (3195, 4059), (3321, 3905)]