42120645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3371}}^1$

素因数の和:3410

約数の個数: 48

約数和(自身を含む): 83032128

約数和(自身を除く): 40911483

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 3371, 4165, 10113, 12495, 16855, 23597, 50565, 57307, 70791, 117985, 165179, 171921, 286535, 353955, 401149, 495537, 825895, 859605, 1203447, 2005745, 2477685, 2808043, 6017235, 8424129, 14040215, 42120645]

約数ペア:

[(1, 42120645), (3, 14040215), (5, 8424129), (7, 6017235), (15, 2808043), (17, 2477685), (21, 2005745), (35, 1203447), (49, 859605), (51, 825895), (85, 495537), (105, 401149), (119, 353955), (147, 286535), (245, 171921), (255, 165179), (357, 117985), (595, 70791), (735, 57307), (833, 50565), (1785, 23597), (2499, 16855), (3371, 12495), (4165, 10113)]