26398875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 48117888

約数和(自身を除く): 21719013

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 101, 123, 125, 205, 255, 303, 375, 425, 505, 615, 697, 1025, 1275, 1515, 1717, 2091, 2125, 2525, 3075, 3485, 4141, 5125, 5151, 6375, 7575, 8585, 10455, 12423, 12625, 15375, 17425, 20705, 25755, 37875, 42925, 52275, 62115, 70397, 87125, 103525, 128775, 211191, 214625, 261375, 310575, 351985, 517625, 643875, 1055955, 1552875, 1759925, 5279775, 8799625, 26398875]

約数ペア:

[(1, 26398875), (3, 8799625), (5, 5279775), (15, 1759925), (17, 1552875), (25, 1055955), (41, 643875), (51, 517625), (75, 351985), (85, 310575), (101, 261375), (123, 214625), (125, 211191), (205, 128775), (255, 103525), (303, 87125), (375, 70397), (425, 62115), (505, 52275), (615, 42925), (697, 37875), (1025, 25755), (1275, 20705), (1515, 17425), (1717, 15375), (2091, 12625), (2125, 12423), (2525, 10455), (3075, 8585), (3485, 7575), (4141, 6375), (5125, 5151)]