12218715

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3164

約数の個数: 32

約数和(自身を含む): 22478400

約数和(自身を除く): 10259685

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3121, 3915, 9363, 15605, 28089, 46815, 84267, 90509, 140445, 271527, 421335, 452545, 814581, 1357635, 2443743, 4072905, 12218715]

約数ペア:

[(1, 12218715), (3, 4072905), (5, 2443743), (9, 1357635), (15, 814581), (27, 452545), (29, 421335), (45, 271527), (87, 140445), (135, 90509), (145, 84267), (261, 46815), (435, 28089), (783, 15605), (1305, 9363), (3121, 3915)]