81179475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 145824000

約数和(自身を除く): 64644525

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 139, 195, 325, 417, 599, 695, 975, 1797, 1807, 2085, 2995, 3475, 5421, 7787, 8985, 9035, 10425, 14975, 23361, 27105, 38935, 44925, 45175, 83261, 116805, 135525, 194675, 249783, 416305, 584025, 1082393, 1248915, 2081525, 3247179, 5411965, 6244575, 16235895, 27059825, 81179475]

約数ペア:

[(1, 81179475), (3, 27059825), (5, 16235895), (13, 6244575), (15, 5411965), (25, 3247179), (39, 2081525), (65, 1248915), (75, 1082393), (139, 584025), (195, 416305), (325, 249783), (417, 194675), (599, 135525), (695, 116805), (975, 83261), (1797, 45175), (1807, 44925), (2085, 38935), (2995, 27105), (3475, 23361), (5421, 14975), (7787, 10425), (8985, 9035)]