64746015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 109816320

約数和(自身を除く): 45070305

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 471, 785, 1447, 2355, 2983, 4341, 7235, 8949, 14915, 21705, 27493, 44745, 82479, 137465, 227179, 412395, 681537, 1135895, 3407685, 4316401, 12949203, 21582005, 64746015]

約数ペア:

[(1, 64746015), (3, 21582005), (5, 12949203), (15, 4316401), (19, 3407685), (57, 1135895), (95, 681537), (157, 412395), (285, 227179), (471, 137465), (785, 82479), (1447, 44745), (2355, 27493), (2983, 21705), (4341, 14915), (7235, 8949)]