7912215

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 15206400

約数和(自身を除く): 7294185

約数列:

[1, 3, 5, 9, 15, 27, 29, 43, 45, 47, 87, 129, 135, 141, 145, 215, 235, 261, 387, 423, 435, 645, 705, 783, 1161, 1247, 1269, 1305, 1363, 1935, 2021, 2115, 3741, 3915, 4089, 5805, 6063, 6235, 6345, 6815, 10105, 11223, 12267, 18189, 18705, 20445, 30315, 33669, 36801, 54567, 56115, 58609, 61335, 90945, 168345, 175827, 184005, 272835, 293045, 527481, 879135, 1582443, 2637405, 7912215]

約数ペア:

[(1, 7912215), (3, 2637405), (5, 1582443), (9, 879135), (15, 527481), (27, 293045), (29, 272835), (43, 184005), (45, 175827), (47, 168345), (87, 90945), (129, 61335), (135, 58609), (141, 56115), (145, 54567), (215, 36801), (235, 33669), (261, 30315), (387, 20445), (423, 18705), (435, 18189), (645, 12267), (705, 11223), (783, 10105), (1161, 6815), (1247, 6345), (1269, 6235), (1305, 6063), (1363, 5805), (1935, 4089), (2021, 3915), (2115, 3741)]