2779875

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{353}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 5743296

約数和(自身を除く): 2963421

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 353, 375, 525, 875, 1059, 1125, 1575, 1765, 2471, 2625, 3177, 5295, 7413, 7875, 8825, 12355, 15885, 22239, 26475, 37065, 44125, 61775, 79425, 111195, 132375, 185325, 308875, 397125, 555975, 926625, 2779875]

約数ペア:

[(1, 2779875), (3, 926625), (5, 555975), (7, 397125), (9, 308875), (15, 185325), (21, 132375), (25, 111195), (35, 79425), (45, 61775), (63, 44125), (75, 37065), (105, 26475), (125, 22239), (175, 15885), (225, 12355), (315, 8825), (353, 7875), (375, 7413), (525, 5295), (875, 3177), (1059, 2625), (1125, 2471), (1575, 1765)]