1991192247

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{10267}}^1$

素因数の和:10940

約数の個数: 32

約数和(自身を含む): 3223330560

約数和(自身を除く): 1232138313

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 653, 1959, 5877, 7183, 10267, 17631, 21549, 30801, 64647, 92403, 112937, 193941, 277209, 338811, 1016433, 3049299, 6704351, 20113053, 60339159, 73747861, 181017477, 221243583, 663730749, 1991192247]

約数ペア:

[(1, 1991192247), (3, 663730749), (9, 221243583), (11, 181017477), (27, 73747861), (33, 60339159), (99, 20113053), (297, 6704351), (653, 3049299), (1959, 1016433), (5877, 338811), (7183, 277209), (10267, 193941), (17631, 112937), (21549, 92403), (30801, 64647)]