2018572245

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70199}}^1$

素因数の和:70287

約数の個数: 40

約数和(自身を含む): 3669494400

約数和(自身を除く): 1650922155

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 5751, 9585, 28755, 70199, 210597, 350995, 631791, 1052985, 1895373, 3158955, 4984129, 5686119, 9476865, 14952387, 24920645, 28430595, 44857161, 74761935, 134571483, 224285805, 403714449, 672857415, 2018572245]

約数ペア:

[(1, 2018572245), (3, 672857415), (5, 403714449), (9, 224285805), (15, 134571483), (27, 74761935), (45, 44857161), (71, 28430595), (81, 24920645), (135, 14952387), (213, 9476865), (355, 5686119), (405, 4984129), (639, 3158955), (1065, 1895373), (1917, 1052985), (3195, 631791), (5751, 350995), (9585, 210597), (28755, 70199)]