40879917

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 72

約数和(自身を含む): 71911680

約数和(自身を除く): 31031763

約数列:

[1, 3, 9, 13, 17, 27, 31, 39, 51, 93, 117, 153, 169, 221, 279, 289, 351, 403, 459, 507, 527, 663, 837, 867, 1209, 1521, 1581, 1989, 2601, 2873, 3627, 3757, 4563, 4743, 5239, 5967, 6851, 7803, 8619, 8959, 10881, 11271, 14229, 15717, 20553, 25857, 26877, 33813, 47151, 48841, 61659, 77571, 80631, 89063, 101439, 116467, 141453, 146523, 184977, 241893, 267189, 349401, 439569, 801567, 1048203, 1318707, 1514071, 2404701, 3144609, 4542213, 13626639, 40879917]

約数ペア:

[(1, 40879917), (3, 13626639), (9, 4542213), (13, 3144609), (17, 2404701), (27, 1514071), (31, 1318707), (39, 1048203), (51, 801567), (93, 439569), (117, 349401), (153, 267189), (169, 241893), (221, 184977), (279, 146523), (289, 141453), (351, 116467), (403, 101439), (459, 89063), (507, 80631), (527, 77571), (663, 61659), (837, 48841), (867, 47151), (1209, 33813), (1521, 26877), (1581, 25857), (1989, 20553), (2601, 15717), (2873, 14229), (3627, 11271), (3757, 10881), (4563, 8959), (4743, 8619), (5239, 7803), (5967, 6851)]