72619281

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1723}}^1$

素因数の和:1962

約数の個数: 32

約数和(自身を含む): 123576320

約数和(自身を除く): 50957039

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 669, 1561, 1723, 2007, 4683, 5169, 6021, 12061, 14049, 15507, 36183, 42147, 46521, 108549, 325647, 384229, 1152687, 2689603, 3458061, 8068809, 10374183, 24206427, 72619281]

約数ペア:

[(1, 72619281), (3, 24206427), (7, 10374183), (9, 8068809), (21, 3458061), (27, 2689603), (63, 1152687), (189, 384229), (223, 325647), (669, 108549), (1561, 46521), (1723, 42147), (2007, 36183), (4683, 15507), (5169, 14049), (6021, 12061)]