30915738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1873}}^1$

素因数の和:2019

約数の個数: 48

約数和(自身を含む): 77178816

約数和(自身を除く): 46263078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1834, 1873, 2358, 2751, 3746, 5502, 5619, 8253, 11238, 13111, 16506, 16857, 26222, 33714, 39333, 78666, 117999, 235998, 245363, 490726, 736089, 1472178, 1717541, 2208267, 3435082, 4416534, 5152623, 10305246, 15457869, 30915738]

約数ペア:

[(1, 30915738), (2, 15457869), (3, 10305246), (6, 5152623), (7, 4416534), (9, 3435082), (14, 2208267), (18, 1717541), (21, 1472178), (42, 736089), (63, 490726), (126, 245363), (131, 235998), (262, 117999), (393, 78666), (786, 39333), (917, 33714), (1179, 26222), (1834, 16857), (1873, 16506), (2358, 13111), (2751, 11238), (3746, 8253), (5502, 5619)]