12127885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 19451520

約数和(自身を除く): 7323635

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 109, 119, 187, 289, 385, 545, 595, 763, 935, 1199, 1309, 1445, 1853, 2023, 3179, 3815, 5995, 6545, 8393, 9265, 10115, 12971, 15895, 20383, 22253, 31501, 41965, 64855, 101915, 111265, 142681, 157505, 220507, 346511, 713405, 1102535, 1732555, 2425577, 12127885]

約数ペア:

[(1, 12127885), (5, 2425577), (7, 1732555), (11, 1102535), (17, 713405), (35, 346511), (55, 220507), (77, 157505), (85, 142681), (109, 111265), (119, 101915), (187, 64855), (289, 41965), (385, 31501), (545, 22253), (595, 20383), (763, 15895), (935, 12971), (1199, 10115), (1309, 9265), (1445, 8393), (1853, 6545), (2023, 5995), (3179, 3815)]