27831645

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 50678784

約数和(自身を除く): 22847139

約数列:

[1, 3, 5, 9, 15, 31, 45, 71, 93, 155, 213, 279, 281, 355, 465, 639, 843, 1065, 1395, 1405, 2201, 2529, 3195, 4215, 6603, 8711, 11005, 12645, 19809, 19951, 26133, 33015, 43555, 59853, 78399, 99045, 99755, 130665, 179559, 299265, 391995, 618481, 897795, 1855443, 3092405, 5566329, 9277215, 27831645]

約数ペア:

[(1, 27831645), (3, 9277215), (5, 5566329), (9, 3092405), (15, 1855443), (31, 897795), (45, 618481), (71, 391995), (93, 299265), (155, 179559), (213, 130665), (279, 99755), (281, 99045), (355, 78399), (465, 59853), (639, 43555), (843, 33015), (1065, 26133), (1395, 19951), (1405, 19809), (2201, 12645), (2529, 11005), (3195, 8711), (4215, 6603)]