31124535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 58423680

約数和(自身を除く): 27299145

約数列:

[1, 3, 5, 13, 15, 17, 39, 41, 51, 65, 85, 123, 195, 205, 221, 229, 255, 533, 615, 663, 687, 697, 1105, 1145, 1599, 2091, 2665, 2977, 3315, 3435, 3485, 3893, 7995, 8931, 9061, 9389, 10455, 11679, 14885, 19465, 27183, 28167, 44655, 45305, 46945, 50609, 58395, 122057, 135915, 140835, 151827, 159613, 253045, 366171, 478839, 610285, 759135, 798065, 1830855, 2074969, 2394195, 6224907, 10374845, 31124535]

約数ペア:

[(1, 31124535), (3, 10374845), (5, 6224907), (13, 2394195), (15, 2074969), (17, 1830855), (39, 798065), (41, 759135), (51, 610285), (65, 478839), (85, 366171), (123, 253045), (195, 159613), (205, 151827), (221, 140835), (229, 135915), (255, 122057), (533, 58395), (615, 50609), (663, 46945), (687, 45305), (697, 44655), (1105, 28167), (1145, 27183), (1599, 19465), (2091, 14885), (2665, 11679), (2977, 10455), (3315, 9389), (3435, 9061), (3485, 8931), (3893, 7995)]