218881707

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 324898560

約数和(自身を除く): 106016853

約数列:

[1, 3, 11, 33, 83, 157, 249, 471, 509, 913, 1527, 1727, 2739, 5181, 5599, 13031, 16797, 39093, 42247, 79913, 126741, 143341, 239739, 430023, 464717, 879043, 1394151, 2637129, 6632779, 19898337, 72960569, 218881707]

約数ペア:

[(1, 218881707), (3, 72960569), (11, 19898337), (33, 6632779), (83, 2637129), (157, 1394151), (249, 879043), (471, 464717), (509, 430023), (913, 239739), (1527, 143341), (1727, 126741), (2739, 79913), (5181, 42247), (5599, 39093), (13031, 16797)]