40828815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 80393040

約数和(自身を除く): 39564225

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 53, 57, 85, 95, 153, 159, 171, 255, 265, 285, 323, 477, 765, 795, 855, 901, 969, 1007, 1615, 2385, 2703, 2809, 2907, 3021, 4505, 4845, 5035, 8109, 8427, 9063, 13515, 14045, 14535, 15105, 17119, 25281, 40545, 42135, 45315, 47753, 51357, 53371, 85595, 126405, 143259, 154071, 160113, 238765, 256785, 266855, 429777, 480339, 716295, 770355, 800565, 907307, 2148885, 2401695, 2721921, 4536535, 8165763, 13609605, 40828815]

約数ペア:

[(1, 40828815), (3, 13609605), (5, 8165763), (9, 4536535), (15, 2721921), (17, 2401695), (19, 2148885), (45, 907307), (51, 800565), (53, 770355), (57, 716295), (85, 480339), (95, 429777), (153, 266855), (159, 256785), (171, 238765), (255, 160113), (265, 154071), (285, 143259), (323, 126405), (477, 85595), (765, 53371), (795, 51357), (855, 47753), (901, 45315), (969, 42135), (1007, 40545), (1615, 25281), (2385, 17119), (2703, 15105), (2809, 14535), (2907, 14045), (3021, 13515), (4505, 9063), (4845, 8427), (5035, 8109)]