156689253

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 266063616

約数和(自身を除く): 109374363

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 167, 281, 371, 477, 501, 843, 1113, 1169, 1503, 1967, 2529, 3339, 3507, 5901, 8851, 10521, 14893, 17703, 26553, 44679, 46927, 61957, 79659, 104251, 134037, 140781, 185871, 312753, 328489, 422343, 557613, 938259, 985467, 2487131, 2956401, 7461393, 17409917, 22384179, 52229751, 156689253]

約数ペア:

[(1, 156689253), (3, 52229751), (7, 22384179), (9, 17409917), (21, 7461393), (53, 2956401), (63, 2487131), (159, 985467), (167, 938259), (281, 557613), (371, 422343), (477, 328489), (501, 312753), (843, 185871), (1113, 140781), (1169, 134037), (1503, 104251), (1967, 79659), (2529, 61957), (3339, 46927), (3507, 44679), (5901, 26553), (8851, 17703), (10521, 14893)]