1900309005

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{670303}}^1$

素因数の和:670327

約数の個数: 40

約数和(自身を含む): 3893125632

約数和(自身を除く): 1992816627

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 670303, 2010909, 3351515, 4692121, 6032727, 10054545, 14076363, 18098181, 23460605, 30163635, 42229089, 54294543, 70381815, 90490905, 126687267, 211145445, 271472715, 380061801, 633436335, 1900309005]

約数ペア:

[(1, 1900309005), (3, 633436335), (5, 380061801), (7, 271472715), (9, 211145445), (15, 126687267), (21, 90490905), (27, 70381815), (35, 54294543), (45, 42229089), (63, 30163635), (81, 23460605), (105, 18098181), (135, 14076363), (189, 10054545), (315, 6032727), (405, 4692121), (567, 3351515), (945, 2010909), (2835, 670303)]