31047870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21121}}^1$

素因数の和:21145

約数の個数: 48

約数和(自身を含む): 86684688

約数和(自身を除く): 55636818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 21121, 42242, 63363, 105605, 126726, 147847, 211210, 295694, 316815, 443541, 633630, 739235, 887082, 1034929, 1478470, 2069858, 2217705, 3104787, 4435410, 5174645, 6209574, 10349290, 15523935, 31047870]

約数ペア:

[(1, 31047870), (2, 15523935), (3, 10349290), (5, 6209574), (6, 5174645), (7, 4435410), (10, 3104787), (14, 2217705), (15, 2069858), (21, 1478470), (30, 1034929), (35, 887082), (42, 739235), (49, 633630), (70, 443541), (98, 316815), (105, 295694), (147, 211210), (210, 147847), (245, 126726), (294, 105605), (490, 63363), (735, 42242), (1470, 21121)]