30971955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{743}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 56853504

約数和(自身を除く): 25881549

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 397, 743, 1191, 1985, 2229, 2779, 3715, 5201, 5955, 8337, 11145, 13895, 15603, 26005, 41685, 78015, 294971, 884913, 1474855, 2064797, 4424565, 6194391, 10323985, 30971955]

約数ペア:

[(1, 30971955), (3, 10323985), (5, 6194391), (7, 4424565), (15, 2064797), (21, 1474855), (35, 884913), (105, 294971), (397, 78015), (743, 41685), (1191, 26005), (1985, 15603), (2229, 13895), (2779, 11145), (3715, 8337), (5201, 5955)]