13505445

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 24710400

約数和(自身を除く): 11204955

約数列:

[1, 3, 5, 9, 15, 29, 45, 79, 87, 131, 145, 237, 261, 393, 395, 435, 655, 711, 1179, 1185, 1305, 1965, 2291, 3555, 3799, 5895, 6873, 10349, 11397, 11455, 18995, 20619, 31047, 34191, 34365, 51745, 56985, 93141, 103095, 155235, 170955, 300121, 465705, 900363, 1500605, 2701089, 4501815, 13505445]

約数ペア:

[(1, 13505445), (3, 4501815), (5, 2701089), (9, 1500605), (15, 900363), (29, 465705), (45, 300121), (79, 170955), (87, 155235), (131, 103095), (145, 93141), (237, 56985), (261, 51745), (393, 34365), (395, 34191), (435, 31047), (655, 20619), (711, 18995), (1179, 11455), (1185, 11397), (1305, 10349), (1965, 6873), (2291, 5895), (3555, 3799)]