490374003

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 756518400

約数和(自身を除く): 266144397

約数列:

[1, 3, 7, 21, 131, 393, 397, 449, 917, 1191, 1347, 2751, 2779, 3143, 8337, 9429, 52007, 58819, 156021, 176457, 178253, 364049, 411733, 534759, 1092147, 1235199, 1247771, 3743313, 23351143, 70053429, 163458001, 490374003]

約数ペア:

[(1, 490374003), (3, 163458001), (7, 70053429), (21, 23351143), (131, 3743313), (393, 1247771), (397, 1235199), (449, 1092147), (917, 534759), (1191, 411733), (1347, 364049), (2751, 178253), (2779, 176457), (3143, 156021), (8337, 58819), (9429, 52007)]