64381305

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 110502720

約数和(自身を除く): 46121415

約数列:

[1, 3, 5, 15, 29, 47, 67, 87, 141, 145, 201, 235, 335, 435, 705, 1005, 1363, 1943, 2209, 3149, 4089, 5829, 6627, 6815, 9447, 9715, 11045, 15745, 20445, 29145, 33135, 47235, 64061, 91321, 148003, 192183, 273963, 320305, 444009, 456605, 740015, 960915, 1369815, 2220045, 4292087, 12876261, 21460435, 64381305]

約数ペア:

[(1, 64381305), (3, 21460435), (5, 12876261), (15, 4292087), (29, 2220045), (47, 1369815), (67, 960915), (87, 740015), (141, 456605), (145, 444009), (201, 320305), (235, 273963), (335, 192183), (435, 148003), (705, 91321), (1005, 64061), (1363, 47235), (1943, 33135), (2209, 29145), (3149, 20445), (4089, 15745), (5829, 11045), (6627, 9715), (6815, 9447)]