405193257

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{401}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 687992448

約数和(自身を除く): 282799191

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 373, 387, 401, 903, 1119, 1203, 2611, 2709, 2807, 3357, 3609, 7833, 8421, 16039, 17243, 23499, 25263, 48117, 51729, 112273, 120701, 144351, 149573, 155187, 336819, 362103, 448719, 1010457, 1047011, 1086309, 1346157, 3141033, 6431639, 9423099, 19294917, 45021473, 57884751, 135064419, 405193257]

約数ペア:

[(1, 405193257), (3, 135064419), (7, 57884751), (9, 45021473), (21, 19294917), (43, 9423099), (63, 6431639), (129, 3141033), (301, 1346157), (373, 1086309), (387, 1047011), (401, 1010457), (903, 448719), (1119, 362103), (1203, 336819), (2611, 155187), (2709, 149573), (2807, 144351), (3357, 120701), (3609, 112273), (7833, 51729), (8421, 48117), (16039, 25263), (17243, 23499)]