17987115

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 29905920

約数和(自身を除く): 11918805

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 353, 395, 645, 1059, 1185, 1765, 3397, 5295, 10191, 15179, 16985, 27887, 45537, 50955, 75895, 83661, 139435, 227685, 418305, 1199141, 3597423, 5995705, 17987115]

約数ペア:

[(1, 17987115), (3, 5995705), (5, 3597423), (15, 1199141), (43, 418305), (79, 227685), (129, 139435), (215, 83661), (237, 75895), (353, 50955), (395, 45537), (645, 27887), (1059, 16985), (1185, 15179), (1765, 10191), (3397, 5295)]