2961315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 6402240

約数和(自身を除く): 3440925

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 79, 85, 105, 119, 147, 153, 237, 245, 255, 315, 357, 395, 441, 553, 595, 711, 735, 765, 833, 1071, 1185, 1343, 1659, 1785, 2205, 2499, 2765, 3555, 3871, 4029, 4165, 4977, 5355, 6715, 7497, 8295, 9401, 11613, 12087, 12495, 19355, 20145, 24885, 28203, 34839, 37485, 47005, 58065, 60435, 65807, 84609, 141015, 174195, 197421, 329035, 423045, 592263, 987105, 2961315]

約数ペア:

[(1, 2961315), (3, 987105), (5, 592263), (7, 423045), (9, 329035), (15, 197421), (17, 174195), (21, 141015), (35, 84609), (45, 65807), (49, 60435), (51, 58065), (63, 47005), (79, 37485), (85, 34839), (105, 28203), (119, 24885), (147, 20145), (153, 19355), (237, 12495), (245, 12087), (255, 11613), (315, 9401), (357, 8295), (395, 7497), (441, 6715), (553, 5355), (595, 4977), (711, 4165), (735, 4029), (765, 3871), (833, 3555), (1071, 2765), (1185, 2499), (1343, 2205), (1659, 1785)]