87189921

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3671}}^1$

素因数の和:3726

約数の個数: 48

約数和(自身を含む): 160392960

約数和(自身を除く): 73203039

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2639, 3393, 3671, 7917, 11013, 23751, 25697, 33039, 47723, 77091, 106459, 143169, 231273, 319377, 334061, 429507, 745213, 958131, 1002183, 1383967, 2235639, 3006549, 4151901, 6706917, 9687769, 12455703, 29063307, 87189921]

約数ペア:

[(1, 87189921), (3, 29063307), (7, 12455703), (9, 9687769), (13, 6706917), (21, 4151901), (29, 3006549), (39, 2235639), (63, 1383967), (87, 1002183), (91, 958131), (117, 745213), (203, 429507), (261, 334061), (273, 319377), (377, 231273), (609, 143169), (819, 106459), (1131, 77091), (1827, 47723), (2639, 33039), (3393, 25697), (3671, 23751), (7917, 11013)]