511119

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 36

約数和(自身を含む): 918840

約数和(自身を除く): 407721

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 61, 63, 133, 147, 171, 183, 399, 427, 441, 549, 931, 1159, 1197, 1281, 2793, 2989, 3477, 3843, 8113, 8379, 8967, 10431, 24339, 26901, 56791, 73017, 170373, 511119]

約数ペア:

[(1, 511119), (3, 170373), (7, 73017), (9, 56791), (19, 26901), (21, 24339), (49, 10431), (57, 8967), (61, 8379), (63, 8113), (133, 3843), (147, 3477), (171, 2989), (183, 2793), (399, 1281), (427, 1197), (441, 1159), (549, 931)]