68728395

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2423}}^1$

素因数の和:2523

約数の個数: 32

約数和(自身を含む): 115421184

約数和(自身を除く): 46692789

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 915, 1891, 2423, 5673, 7269, 9455, 12115, 28365, 36345, 75113, 147803, 225339, 375565, 443409, 739015, 1126695, 2217045, 4581893, 13745679, 22909465, 68728395]

約数ペア:

[(1, 68728395), (3, 22909465), (5, 13745679), (15, 4581893), (31, 2217045), (61, 1126695), (93, 739015), (155, 443409), (183, 375565), (305, 225339), (465, 147803), (915, 75113), (1891, 36345), (2423, 28365), (5673, 12115), (7269, 9455)]