65779545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19843}}^1$

素因数の和:19881

約数の個数: 32

約数和(自身を含む): 120016512

約数和(自身を除く): 54236967

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 19843, 59529, 99215, 257959, 297645, 337331, 773877, 1011993, 1289795, 1686655, 3869385, 4385303, 5059965, 13155909, 21926515, 65779545]

約数ペア:

[(1, 65779545), (3, 21926515), (5, 13155909), (13, 5059965), (15, 4385303), (17, 3869385), (39, 1686655), (51, 1289795), (65, 1011993), (85, 773877), (195, 337331), (221, 297645), (255, 257959), (663, 99215), (1105, 59529), (3315, 19843)]