31709097

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 26351703

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 71, 119, 139, 153, 189, 213, 357, 417, 459, 497, 639, 973, 1071, 1207, 1251, 1491, 1917, 2363, 2919, 3213, 3621, 3753, 4473, 7089, 8449, 8757, 9869, 10863, 13419, 16541, 21267, 25347, 26271, 29607, 32589, 49623, 63801, 69083, 76041, 88821, 148869, 167773, 207249, 228123, 266463, 446607, 503319, 621747, 1174411, 1509957, 1865241, 3523233, 4529871, 10569699, 31709097]

約数ペア:

[(1, 31709097), (3, 10569699), (7, 4529871), (9, 3523233), (17, 1865241), (21, 1509957), (27, 1174411), (51, 621747), (63, 503319), (71, 446607), (119, 266463), (139, 228123), (153, 207249), (189, 167773), (213, 148869), (357, 88821), (417, 76041), (459, 69083), (497, 63801), (639, 49623), (973, 32589), (1071, 29607), (1207, 26271), (1251, 25347), (1491, 21267), (1917, 16541), (2363, 13419), (2919, 10863), (3213, 9869), (3621, 8757), (3753, 8449), (4473, 7089)]