77981295

素因数分解:

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

素因数の和:197

約数の個数: 72

約数和(自身を含む): 155648304

約数和(自身を除く): 77667009

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 79, 85, 105, 119, 147, 237, 245, 255, 357, 395, 553, 595, 735, 833, 1185, 1343, 1659, 1785, 2499, 2765, 3871, 4029, 4165, 6241, 6715, 8295, 9401, 11613, 12495, 18723, 19355, 20145, 28203, 31205, 43687, 47005, 58065, 65807, 93615, 106097, 131061, 141015, 197421, 218435, 305809, 318291, 329035, 530485, 655305, 742679, 917427, 987105, 1529045, 1591455, 2228037, 3713395, 4587135, 5198753, 11140185, 15596259, 25993765, 77981295]

約数ペア:

[(1, 77981295), (3, 25993765), (5, 15596259), (7, 11140185), (15, 5198753), (17, 4587135), (21, 3713395), (35, 2228037), (49, 1591455), (51, 1529045), (79, 987105), (85, 917427), (105, 742679), (119, 655305), (147, 530485), (237, 329035), (245, 318291), (255, 305809), (357, 218435), (395, 197421), (553, 141015), (595, 131061), (735, 106097), (833, 93615), (1185, 65807), (1343, 58065), (1659, 47005), (1785, 43687), (2499, 31205), (2765, 28203), (3871, 20145), (4029, 19355), (4165, 18723), (6241, 12495), (6715, 11613), (8295, 9401)]