16513215

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 27509760

約数和(自身を除く): 10996545

約数列:

[1, 3, 5, 15, 47, 59, 141, 177, 235, 295, 397, 705, 885, 1191, 1985, 2773, 5955, 8319, 13865, 18659, 23423, 41595, 55977, 70269, 93295, 117115, 279885, 351345, 1100881, 3302643, 5504405, 16513215]

約数ペア:

[(1, 16513215), (3, 5504405), (5, 3302643), (15, 1100881), (47, 351345), (59, 279885), (141, 117115), (177, 93295), (235, 70269), (295, 55977), (397, 41595), (705, 23423), (885, 18659), (1191, 13865), (1985, 8319), (2773, 5955)]