321954399

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12919}}^1$

素因数の和:13012

約数の個数: 32

約数和(自身を含む): 520934400

約数和(自身を除く): 198980001

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 12919, 24921, 38757, 116271, 167947, 348813, 503841, 917249, 1511523, 2751747, 4534569, 8255241, 11924237, 24765723, 35772711, 107318133, 321954399]

約数ペア:

[(1, 321954399), (3, 107318133), (9, 35772711), (13, 24765723), (27, 11924237), (39, 8255241), (71, 4534569), (117, 2751747), (213, 1511523), (351, 917249), (639, 503841), (923, 348813), (1917, 167947), (2769, 116271), (8307, 38757), (12919, 24921)]