30945999

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1607}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 48394368

約数和(自身を除く): 17448369

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 1607, 2751, 4821, 6419, 11249, 19257, 33747, 78743, 210517, 236229, 631551, 1473619, 4420857, 10315333, 30945999]

約数ペア:

[(1, 30945999), (3, 10315333), (7, 4420857), (21, 1473619), (49, 631551), (131, 236229), (147, 210517), (393, 78743), (917, 33747), (1607, 19257), (2751, 11249), (4821, 6419)]