845325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:63

約数の個数: 54

約数和(自身を含む): 1732094

約数和(自身を除く): 886769

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 289, 325, 425, 585, 663, 765, 867, 975, 1105, 1275, 1445, 1989, 2601, 2925, 3315, 3757, 3825, 4335, 5525, 7225, 9945, 11271, 13005, 16575, 18785, 21675, 33813, 49725, 56355, 65025, 93925, 169065, 281775, 845325]

約数ペア:

[(1, 845325), (3, 281775), (5, 169065), (9, 93925), (13, 65025), (15, 56355), (17, 49725), (25, 33813), (39, 21675), (45, 18785), (51, 16575), (65, 13005), (75, 11271), (85, 9945), (117, 7225), (153, 5525), (195, 4335), (221, 3825), (225, 3757), (255, 3315), (289, 2925), (325, 2601), (425, 1989), (585, 1445), (663, 1275), (765, 1105), (867, 975)]