321566349

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{509}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 470211840

約数和(自身を除く): 148645491

約数列:

[1, 3, 13, 39, 97, 167, 291, 501, 509, 1261, 1527, 2171, 3783, 6513, 6617, 16199, 19851, 48597, 49373, 85003, 148119, 210587, 255009, 631761, 641849, 1105039, 1925547, 3315117, 8245291, 24735873, 107188783, 321566349]

約数ペア:

[(1, 321566349), (3, 107188783), (13, 24735873), (39, 8245291), (97, 3315117), (167, 1925547), (291, 1105039), (501, 641849), (509, 631761), (1261, 255009), (1527, 210587), (2171, 148119), (3783, 85003), (6513, 49373), (6617, 48597), (16199, 19851)]