31257315

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 56291040

約数和(自身を除く): 25033725

約数列:

[1, 3, 5, 9, 15, 45, 59, 61, 177, 183, 193, 295, 305, 531, 549, 579, 885, 915, 965, 1737, 2655, 2745, 2895, 3599, 8685, 10797, 11387, 11773, 17995, 32391, 34161, 35319, 53985, 56935, 58865, 102483, 105957, 161955, 170805, 176595, 512415, 529785, 694607, 2083821, 3473035, 6251463, 10419105, 31257315]

約数ペア:

[(1, 31257315), (3, 10419105), (5, 6251463), (9, 3473035), (15, 2083821), (45, 694607), (59, 529785), (61, 512415), (177, 176595), (183, 170805), (193, 161955), (295, 105957), (305, 102483), (531, 58865), (549, 56935), (579, 53985), (885, 35319), (915, 34161), (965, 32391), (1737, 17995), (2655, 11773), (2745, 11387), (2895, 10797), (3599, 8685)]