388403775

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{9433}}^1$

素因数の和:9513

約数の個数: 48

約数和(自身を含む): 725285920

約数和(自身を除く): 336882145

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 675, 915, 1525, 1647, 2745, 4575, 8235, 9433, 13725, 28299, 41175, 47165, 84897, 141495, 235825, 254691, 424485, 575413, 707475, 1273455, 1726239, 2122425, 2877065, 5178717, 6367275, 8631195, 14385325, 15536151, 25893585, 43155975, 77680755, 129467925, 388403775]

約数ペア:

[(1, 388403775), (3, 129467925), (5, 77680755), (9, 43155975), (15, 25893585), (25, 15536151), (27, 14385325), (45, 8631195), (61, 6367275), (75, 5178717), (135, 2877065), (183, 2122425), (225, 1726239), (305, 1273455), (549, 707475), (675, 575413), (915, 424485), (1525, 254691), (1647, 235825), (2745, 141495), (4575, 84897), (8235, 47165), (9433, 41175), (13725, 28299)]