31261113

素因数分解:

$3^3\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 23574087

約数列:

[1, 3, 9, 13, 17, 27, 31, 39, 51, 93, 117, 153, 169, 221, 279, 351, 403, 459, 507, 527, 663, 837, 1209, 1521, 1581, 1989, 2197, 2873, 3627, 4563, 4743, 5239, 5967, 6591, 6851, 8619, 10881, 14229, 15717, 19773, 20553, 25857, 37349, 47151, 59319, 61659, 68107, 77571, 89063, 112047, 141453, 184977, 204321, 267189, 336141, 612963, 801567, 1008423, 1157819, 1838889, 2404701, 3473457, 10420371, 31261113]

約数ペア:

[(1, 31261113), (3, 10420371), (9, 3473457), (13, 2404701), (17, 1838889), (27, 1157819), (31, 1008423), (39, 801567), (51, 612963), (93, 336141), (117, 267189), (153, 204321), (169, 184977), (221, 141453), (279, 112047), (351, 89063), (403, 77571), (459, 68107), (507, 61659), (527, 59319), (663, 47151), (837, 37349), (1209, 25857), (1521, 20553), (1581, 19773), (1989, 15717), (2197, 14229), (2873, 10881), (3627, 8619), (4563, 6851), (4743, 6591), (5239, 5967)]