65396721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 96808320

約数和(自身を除く): 31411599

約数列:

[1, 3, 13, 39, 59, 97, 177, 291, 293, 767, 879, 1261, 2301, 3783, 3809, 5723, 11427, 17169, 17287, 28421, 51861, 74399, 85263, 223197, 224731, 369473, 674193, 1108419, 1676839, 5030517, 21798907, 65396721]

約数ペア:

[(1, 65396721), (3, 21798907), (13, 5030517), (39, 1676839), (59, 1108419), (97, 674193), (177, 369473), (291, 224731), (293, 223197), (767, 85263), (879, 74399), (1261, 51861), (2301, 28421), (3783, 17287), (3809, 17169), (5723, 11427)]