13021209

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 20398080

約数和(自身を除く): 7376871

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 331, 423, 837, 993, 1269, 1457, 2979, 4371, 8937, 10261, 13113, 15557, 30783, 39339, 46671, 92349, 140013, 277047, 420039, 482267, 1446801, 4340403, 13021209]

約数ペア:

[(1, 13021209), (3, 4340403), (9, 1446801), (27, 482267), (31, 420039), (47, 277047), (93, 140013), (141, 92349), (279, 46671), (331, 39339), (423, 30783), (837, 15557), (993, 13113), (1269, 10261), (1457, 8937), (2979, 4371)]