78218295

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 127872000

約数和(自身を除く): 49653705

約数列:

[1, 3, 5, 15, 79, 149, 237, 395, 443, 447, 745, 1185, 1329, 2215, 2235, 6645, 11771, 34997, 35313, 58855, 66007, 104991, 174985, 176565, 198021, 330035, 524955, 990105, 5214553, 15643659, 26072765, 78218295]

約数ペア:

[(1, 78218295), (3, 26072765), (5, 15643659), (15, 5214553), (79, 990105), (149, 524955), (237, 330035), (395, 198021), (443, 176565), (447, 174985), (745, 104991), (1185, 66007), (1329, 58855), (2215, 35313), (2235, 34997), (6645, 11771)]