64653561

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54013}}^1$

素因数の和:54045

約数の個数: 24

約数和(自身を含む): 112349120

約数和(自身を除く): 47695559

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 54013, 162039, 378091, 486117, 1026247, 1134273, 3078741, 3402819, 7183729, 9236223, 21551187, 64653561]

約数ペア:

[(1, 64653561), (3, 21551187), (7, 9236223), (9, 7183729), (19, 3402819), (21, 3078741), (57, 1134273), (63, 1026247), (133, 486117), (171, 378091), (399, 162039), (1197, 54013)]