156821715

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 284344320

約数和(自身を除く): 127522605

約数列:

[1, 3, 5, 9, 15, 31, 45, 79, 93, 155, 237, 279, 395, 465, 711, 1185, 1395, 1423, 2449, 3555, 4269, 7115, 7347, 12245, 12807, 21345, 22041, 36735, 44113, 64035, 110205, 112417, 132339, 220565, 337251, 397017, 562085, 661695, 1011753, 1686255, 1985085, 3484927, 5058765, 10454781, 17424635, 31364343, 52273905, 156821715]

約数ペア:

[(1, 156821715), (3, 52273905), (5, 31364343), (9, 17424635), (15, 10454781), (31, 5058765), (45, 3484927), (79, 1985085), (93, 1686255), (155, 1011753), (237, 661695), (279, 562085), (395, 397017), (465, 337251), (711, 220565), (1185, 132339), (1395, 112417), (1423, 110205), (2449, 64035), (3555, 44113), (4269, 36735), (7115, 22041), (7347, 21345), (12245, 12807)]