28218537

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 44823240

約数和(自身を除く): 16604703

約数列:

[1, 3, 9, 27, 29, 41, 81, 87, 123, 261, 293, 369, 783, 879, 1107, 1189, 2349, 2637, 3321, 3567, 7911, 8497, 10701, 12013, 23733, 25491, 32103, 36039, 76473, 96309, 108117, 229419, 324351, 348377, 688257, 973053, 1045131, 3135393, 9406179, 28218537]

約数ペア:

[(1, 28218537), (3, 9406179), (9, 3135393), (27, 1045131), (29, 973053), (41, 688257), (81, 348377), (87, 324351), (123, 229419), (261, 108117), (293, 96309), (369, 76473), (783, 36039), (879, 32103), (1107, 25491), (1189, 23733), (2349, 12013), (2637, 10701), (3321, 8497), (3567, 7911)]