201525045

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1553}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 332083584

約数和(自身を除く): 130558539

約数列:

[1, 3, 5, 15, 41, 123, 205, 211, 615, 633, 1055, 1553, 3165, 4659, 7765, 8651, 23295, 25953, 43255, 63673, 129765, 191019, 318365, 327683, 955095, 983049, 1638415, 4915245, 13435003, 40305009, 67175015, 201525045]

約数ペア:

[(1, 201525045), (3, 67175015), (5, 40305009), (15, 13435003), (41, 4915245), (123, 1638415), (205, 983049), (211, 955095), (615, 327683), (633, 318365), (1055, 191019), (1553, 129765), (3165, 63673), (4659, 43255), (7765, 25953), (8651, 23295)]