16651275

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 28926720

約数和(自身を除く): 12275445

約数列:

[1, 3, 5, 15, 25, 53, 59, 71, 75, 159, 177, 213, 265, 295, 355, 795, 885, 1065, 1325, 1475, 1775, 3127, 3763, 3975, 4189, 4425, 5325, 9381, 11289, 12567, 15635, 18815, 20945, 46905, 56445, 62835, 78175, 94075, 104725, 222017, 234525, 282225, 314175, 666051, 1110085, 3330255, 5550425, 16651275]

約数ペア:

[(1, 16651275), (3, 5550425), (5, 3330255), (15, 1110085), (25, 666051), (53, 314175), (59, 282225), (71, 234525), (75, 222017), (159, 104725), (177, 94075), (213, 78175), (265, 62835), (295, 56445), (355, 46905), (795, 20945), (885, 18815), (1065, 15635), (1325, 12567), (1475, 11289), (1775, 9381), (3127, 5325), (3763, 4425), (3975, 4189)]