215188575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 431972352

約数和(自身を除く): 216783777

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 71, 75, 105, 115, 161, 175, 213, 251, 345, 355, 483, 497, 525, 575, 753, 805, 1065, 1255, 1491, 1633, 1725, 1757, 1775, 2415, 2485, 3765, 4025, 4899, 5271, 5325, 5773, 6275, 7455, 8165, 8785, 11431, 12075, 12425, 17319, 17821, 18825, 24495, 26355, 28865, 34293, 37275, 40411, 40825, 43925, 53463, 57155, 86595, 89105, 121233, 122475, 124747, 131775, 144325, 171465, 202055, 267315, 285775, 374241, 409883, 432975, 445525, 606165, 623735, 857325, 1010275, 1229649, 1336575, 1871205, 2049415, 2869181, 3030825, 3118675, 6148245, 8607543, 9356025, 10247075, 14345905, 30741225, 43037715, 71729525, 215188575]

約数ペア:

[(1, 215188575), (3, 71729525), (5, 43037715), (7, 30741225), (15, 14345905), (21, 10247075), (23, 9356025), (25, 8607543), (35, 6148245), (69, 3118675), (71, 3030825), (75, 2869181), (105, 2049415), (115, 1871205), (161, 1336575), (175, 1229649), (213, 1010275), (251, 857325), (345, 623735), (355, 606165), (483, 445525), (497, 432975), (525, 409883), (575, 374241), (753, 285775), (805, 267315), (1065, 202055), (1255, 171465), (1491, 144325), (1633, 131775), (1725, 124747), (1757, 122475), (1775, 121233), (2415, 89105), (2485, 86595), (3765, 57155), (4025, 53463), (4899, 43925), (5271, 40825), (5325, 40411), (5773, 37275), (6275, 34293), (7455, 28865), (8165, 26355), (8785, 24495), (11431, 18825), (12075, 17821), (12425, 17319)]