12787893

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 21228480

約数和(自身を除く): 8440587

約数列:

[1, 3, 9, 17, 19, 51, 53, 57, 83, 153, 159, 171, 249, 323, 477, 747, 901, 969, 1007, 1411, 1577, 2703, 2907, 3021, 4233, 4399, 4731, 8109, 9063, 12699, 13197, 14193, 17119, 26809, 39591, 51357, 74783, 80427, 83581, 154071, 224349, 241281, 250743, 673047, 752229, 1420877, 4262631, 12787893]

約数ペア:

[(1, 12787893), (3, 4262631), (9, 1420877), (17, 752229), (19, 673047), (51, 250743), (53, 241281), (57, 224349), (83, 154071), (153, 83581), (159, 80427), (171, 74783), (249, 51357), (323, 39591), (477, 26809), (747, 17119), (901, 14193), (969, 13197), (1007, 12699), (1411, 9063), (1577, 8109), (2703, 4731), (2907, 4399), (3021, 4233)]