78123999

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 112896000

約数和(自身を除く): 34772001

約数列:

[1, 3, 29, 31, 83, 87, 93, 249, 349, 899, 1047, 2407, 2573, 2697, 7221, 7719, 10121, 10819, 28967, 30363, 32457, 74617, 86901, 223851, 313751, 840043, 897977, 941253, 2520129, 2693931, 26041333, 78123999]

約数ペア:

[(1, 78123999), (3, 26041333), (29, 2693931), (31, 2520129), (83, 941253), (87, 897977), (93, 840043), (249, 313751), (349, 223851), (899, 86901), (1047, 74617), (2407, 32457), (2573, 30363), (2697, 28967), (7221, 10819), (7719, 10121)]