987105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 1969920

約数和(自身を除く): 982815

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 79, 85, 105, 119, 147, 237, 245, 255, 357, 395, 553, 595, 735, 833, 1185, 1343, 1659, 1785, 2499, 2765, 3871, 4029, 4165, 6715, 8295, 9401, 11613, 12495, 19355, 20145, 28203, 47005, 58065, 65807, 141015, 197421, 329035, 987105]

約数ペア:

[(1, 987105), (3, 329035), (5, 197421), (7, 141015), (15, 65807), (17, 58065), (21, 47005), (35, 28203), (49, 20145), (51, 19355), (79, 12495), (85, 11613), (105, 9401), (119, 8295), (147, 6715), (237, 4165), (245, 4029), (255, 3871), (357, 2765), (395, 2499), (553, 1785), (595, 1659), (735, 1343), (833, 1185)]