28323825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 49080192

約数和(自身を除く): 20756367

約数列:

[1, 3, 5, 15, 25, 41, 61, 75, 123, 151, 183, 205, 305, 453, 615, 755, 915, 1025, 1525, 2265, 2501, 3075, 3775, 4575, 6191, 7503, 9211, 11325, 12505, 18573, 27633, 30955, 37515, 46055, 62525, 92865, 138165, 154775, 187575, 230275, 377651, 464325, 690825, 1132953, 1888255, 5664765, 9441275, 28323825]

約数ペア:

[(1, 28323825), (3, 9441275), (5, 5664765), (15, 1888255), (25, 1132953), (41, 690825), (61, 464325), (75, 377651), (123, 230275), (151, 187575), (183, 154775), (205, 138165), (305, 92865), (453, 62525), (615, 46055), (755, 37515), (915, 30955), (1025, 27633), (1525, 18573), (2265, 12505), (2501, 11325), (3075, 9211), (3775, 7503), (4575, 6191)]