209078730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{331871}}^1$

素因数の和:331891

約数の個数: 48

約数和(自身を含む): 621264384

約数和(自身を除く): 412185654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 331871, 663742, 995613, 1659355, 1991226, 2323097, 2986839, 3318710, 4646194, 4978065, 5973678, 6969291, 9956130, 11615485, 13938582, 14934195, 20907873, 23230970, 29868390, 34846455, 41815746, 69692910, 104539365, 209078730]

約数ペア:

[(1, 209078730), (2, 104539365), (3, 69692910), (5, 41815746), (6, 34846455), (7, 29868390), (9, 23230970), (10, 20907873), (14, 14934195), (15, 13938582), (18, 11615485), (21, 9956130), (30, 6969291), (35, 5973678), (42, 4978065), (45, 4646194), (63, 3318710), (70, 2986839), (90, 2323097), (105, 1991226), (126, 1659355), (210, 995613), (315, 663742), (630, 331871)]