2978902065

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{136303}}^1$

素因数の和:136389

約数の個数: 32

約数和(自身を含む): 5024710656

約数和(自身を除く): 2045808591

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1457, 4371, 7285, 21855, 136303, 408909, 681515, 2044545, 4225393, 6406241, 12676179, 19218723, 21126965, 32031205, 63380895, 96093615, 198593471, 595780413, 992967355, 2978902065]

約数ペア:

[(1, 2978902065), (3, 992967355), (5, 595780413), (15, 198593471), (31, 96093615), (47, 63380895), (93, 32031205), (141, 21126965), (155, 19218723), (235, 12676179), (465, 6406241), (705, 4225393), (1457, 2044545), (4371, 681515), (7285, 408909), (21855, 136303)]