89189973

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 141972480

約数和(自身を除く): 52782507

約数列:

[1, 3, 9, 17, 47, 51, 79, 141, 153, 157, 237, 423, 471, 711, 799, 1343, 1413, 2397, 2669, 3713, 4029, 7191, 7379, 8007, 11139, 12087, 12403, 22137, 24021, 33417, 37209, 63121, 66411, 111627, 125443, 189363, 210851, 376329, 568089, 582941, 632553, 1128987, 1748823, 1897659, 5246469, 9909997, 29729991, 89189973]

約数ペア:

[(1, 89189973), (3, 29729991), (9, 9909997), (17, 5246469), (47, 1897659), (51, 1748823), (79, 1128987), (141, 632553), (153, 582941), (157, 568089), (237, 376329), (423, 210851), (471, 189363), (711, 125443), (799, 111627), (1343, 66411), (1413, 63121), (2397, 37209), (2669, 33417), (3713, 24021), (4029, 22137), (7191, 12403), (7379, 12087), (8007, 11139)]