7897502457

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{335821}}^1$

素因数の和:335910

約数の個数: 32

約数和(自身を含む): 12788101760

約数和(自身を除く): 4890599303

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 871, 1809, 2613, 7839, 23517, 335821, 1007463, 3022389, 4365673, 9067167, 13097019, 22500007, 39291057, 67500021, 117873171, 202500063, 292500091, 607500189, 877500273, 2632500819, 7897502457]

約数ペア:

[(1, 7897502457), (3, 2632500819), (9, 877500273), (13, 607500189), (27, 292500091), (39, 202500063), (67, 117873171), (117, 67500021), (201, 39291057), (351, 22500007), (603, 13097019), (871, 9067167), (1809, 4365673), (2613, 3022389), (7839, 1007463), (23517, 335821)]