194655975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2960

約数の個数: 48

約数和(自身を含む): 343787520

約数和(自身を除く): 149131545

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 145, 155, 435, 465, 725, 775, 899, 2175, 2325, 2697, 2887, 4495, 8661, 13485, 14435, 22475, 43305, 67425, 72175, 83723, 89497, 216525, 251169, 268491, 418615, 447485, 1255845, 1342455, 2093075, 2237425, 2595413, 6279225, 6712275, 7786239, 12977065, 38931195, 64885325, 194655975]

約数ペア:

[(1, 194655975), (3, 64885325), (5, 38931195), (15, 12977065), (25, 7786239), (29, 6712275), (31, 6279225), (75, 2595413), (87, 2237425), (93, 2093075), (145, 1342455), (155, 1255845), (435, 447485), (465, 418615), (725, 268491), (775, 251169), (899, 216525), (2175, 89497), (2325, 83723), (2697, 72175), (2887, 67425), (4495, 43305), (8661, 22475), (13485, 14435)]