87861753

素因数分解:

$3^5\times 7^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 157352832

約数和(自身を除く): 69491079

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 81, 141, 147, 157, 189, 243, 329, 423, 441, 471, 567, 987, 1099, 1269, 1323, 1413, 1701, 2303, 2961, 3297, 3807, 3969, 4239, 6909, 7379, 7693, 8883, 9891, 11421, 11907, 12717, 20727, 22137, 23079, 26649, 29673, 38151, 51653, 62181, 66411, 69237, 79947, 89019, 154959, 186543, 199233, 207711, 267057, 361571, 464877, 559629, 597699, 623133, 1084713, 1394631, 1793097, 1869399, 3254139, 4183893, 9762417, 12551679, 29287251, 87861753]

約数ペア:

[(1, 87861753), (3, 29287251), (7, 12551679), (9, 9762417), (21, 4183893), (27, 3254139), (47, 1869399), (49, 1793097), (63, 1394631), (81, 1084713), (141, 623133), (147, 597699), (157, 559629), (189, 464877), (243, 361571), (329, 267057), (423, 207711), (441, 199233), (471, 186543), (567, 154959), (987, 89019), (1099, 79947), (1269, 69237), (1323, 66411), (1413, 62181), (1701, 51653), (2303, 38151), (2961, 29673), (3297, 26649), (3807, 23079), (3969, 22137), (4239, 20727), (6909, 12717), (7379, 11907), (7693, 11421), (8883, 9891)]