31378809

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 22400007

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 121, 159, 231, 233, 363, 371, 583, 699, 847, 1113, 1631, 1749, 2541, 2563, 4081, 4893, 6413, 7689, 12243, 12349, 17941, 19239, 28193, 37047, 44891, 53823, 84579, 86443, 134673, 135839, 197351, 259329, 407517, 592053, 950873, 1494229, 2852619, 4482687, 10459603, 31378809]

約数ペア:

[(1, 31378809), (3, 10459603), (7, 4482687), (11, 2852619), (21, 1494229), (33, 950873), (53, 592053), (77, 407517), (121, 259329), (159, 197351), (231, 135839), (233, 134673), (363, 86443), (371, 84579), (583, 53823), (699, 44891), (847, 37047), (1113, 28193), (1631, 19239), (1749, 17941), (2541, 12349), (2563, 12243), (4081, 7689), (4893, 6413)]