15560415

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 29553888

約数和(自身を除く): 13993473

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 397, 585, 603, 871, 1005, 1191, 1985, 2613, 3015, 3573, 4355, 5161, 5955, 7839, 13065, 15483, 17865, 25805, 26599, 39195, 46449, 77415, 79797, 132995, 232245, 239391, 345787, 398985, 1037361, 1196955, 1728935, 3112083, 5186805, 15560415]

約数ペア:

[(1, 15560415), (3, 5186805), (5, 3112083), (9, 1728935), (13, 1196955), (15, 1037361), (39, 398985), (45, 345787), (65, 239391), (67, 232245), (117, 132995), (195, 79797), (201, 77415), (335, 46449), (397, 39195), (585, 26599), (603, 25805), (871, 17865), (1005, 15483), (1191, 13065), (1985, 7839), (2613, 5955), (3015, 5161), (3573, 4355)]