289330587

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{653}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 516105408

約数和(自身を除く): 226774821

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 541, 653, 819, 1623, 1959, 3787, 4571, 4869, 5877, 7033, 8489, 11361, 13713, 21099, 25467, 34083, 41139, 49231, 59423, 63297, 76401, 147693, 178269, 353273, 443079, 534807, 1059819, 2472911, 3179457, 4592549, 7418733, 13777647, 22256199, 32147843, 41332941, 96443529, 289330587]

約数ペア:

[(1, 289330587), (3, 96443529), (7, 41332941), (9, 32147843), (13, 22256199), (21, 13777647), (39, 7418733), (63, 4592549), (91, 3179457), (117, 2472911), (273, 1059819), (541, 534807), (653, 443079), (819, 353273), (1623, 178269), (1959, 147693), (3787, 76401), (4571, 63297), (4869, 59423), (5877, 49231), (7033, 41139), (8489, 34083), (11361, 25467), (13713, 21099)]