12921447

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 22391424

約数和(自身を除く): 9469977

約数列:

[1, 3, 7, 11, 21, 33, 49, 61, 77, 131, 147, 183, 231, 393, 427, 539, 671, 917, 1281, 1441, 1617, 2013, 2751, 2989, 4323, 4697, 6419, 7991, 8967, 10087, 14091, 19257, 23973, 30261, 32879, 55937, 70609, 87901, 98637, 167811, 211827, 263703, 391559, 615307, 1174677, 1845921, 4307149, 12921447]

約数ペア:

[(1, 12921447), (3, 4307149), (7, 1845921), (11, 1174677), (21, 615307), (33, 391559), (49, 263703), (61, 211827), (77, 167811), (131, 98637), (147, 87901), (183, 70609), (231, 55937), (393, 32879), (427, 30261), (539, 23973), (671, 19257), (917, 14091), (1281, 10087), (1441, 8967), (1617, 7991), (2013, 6419), (2751, 4697), (2989, 4323)]