2018077299

素因数分解:

$3^2\times 7^2\times {\mathrm{1721}}^1\times {\mathrm{2659}}^1$

素因数の和:4400

約数の個数: 36

約数和(自身を含む): 3394165320

約数和(自身を除く): 1376088021

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1721, 2659, 5163, 7977, 12047, 15489, 18613, 23931, 36141, 55839, 84329, 108423, 130291, 167517, 252987, 390873, 758961, 1172619, 4576139, 13728417, 32032973, 41185251, 96098919, 224230811, 288296757, 672692433, 2018077299]

約数ペア:

[(1, 2018077299), (3, 672692433), (7, 288296757), (9, 224230811), (21, 96098919), (49, 41185251), (63, 32032973), (147, 13728417), (441, 4576139), (1721, 1172619), (2659, 758961), (5163, 390873), (7977, 252987), (12047, 167517), (15489, 130291), (18613, 108423), (23931, 84329), (36141, 55839)]