1355319

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 2350080

約数和(自身を除く): 994761

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 101, 189, 213, 303, 497, 639, 707, 909, 1491, 1917, 2121, 2727, 4473, 6363, 7171, 13419, 19089, 21513, 50197, 64539, 150591, 193617, 451773, 1355319]

約数ペア:

[(1, 1355319), (3, 451773), (7, 193617), (9, 150591), (21, 64539), (27, 50197), (63, 21513), (71, 19089), (101, 13419), (189, 7171), (213, 6363), (303, 4473), (497, 2727), (639, 2121), (707, 1917), (909, 1491)]