67520205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 124225920

約数和(自身を除く): 56705715

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 157, 171, 285, 471, 503, 785, 855, 1413, 1509, 2355, 2515, 2983, 4527, 7065, 7545, 8949, 9557, 14915, 22635, 26847, 28671, 44745, 47785, 78971, 86013, 134235, 143355, 236913, 394855, 430065, 710739, 1184565, 1500449, 3553695, 4501347, 7502245, 13504041, 22506735, 67520205]

約数ペア:

[(1, 67520205), (3, 22506735), (5, 13504041), (9, 7502245), (15, 4501347), (19, 3553695), (45, 1500449), (57, 1184565), (95, 710739), (157, 430065), (171, 394855), (285, 236913), (471, 143355), (503, 134235), (785, 86013), (855, 78971), (1413, 47785), (1509, 44745), (2355, 28671), (2515, 26847), (2983, 22635), (4527, 14915), (7065, 9557), (7545, 8949)]