72505041

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 113433600

約数和(自身を除く): 40928559

約数列:

[1, 3, 7, 21, 59, 139, 177, 413, 417, 421, 973, 1239, 1263, 2919, 2947, 8201, 8841, 24603, 24839, 57407, 58519, 74517, 172221, 173873, 175557, 409633, 521619, 1228899, 3452621, 10357863, 24168347, 72505041]

約数ペア:

[(1, 72505041), (3, 24168347), (7, 10357863), (21, 3452621), (59, 1228899), (139, 521619), (177, 409633), (413, 175557), (417, 173873), (421, 172221), (973, 74517), (1239, 58519), (1263, 57407), (2919, 24839), (2947, 24603), (8201, 8841)]