257120235

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2699}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 467532000

約数和(自身を除く): 210411765

約数列:

[1, 3, 5, 9, 15, 29, 45, 73, 87, 145, 219, 261, 365, 435, 657, 1095, 1305, 2117, 2699, 3285, 6351, 8097, 10585, 13495, 19053, 24291, 31755, 40485, 78271, 95265, 121455, 197027, 234813, 391355, 591081, 704439, 985135, 1174065, 1773243, 2955405, 3522195, 5713783, 8866215, 17141349, 28568915, 51424047, 85706745, 257120235]

約数ペア:

[(1, 257120235), (3, 85706745), (5, 51424047), (9, 28568915), (15, 17141349), (29, 8866215), (45, 5713783), (73, 3522195), (87, 2955405), (145, 1773243), (219, 1174065), (261, 985135), (365, 704439), (435, 591081), (657, 391355), (1095, 234813), (1305, 197027), (2117, 121455), (2699, 95265), (3285, 78271), (6351, 40485), (8097, 31755), (10585, 24291), (13495, 19053)]