12920985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 29111040

約数和(自身を除く): 16190055

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 113, 121, 135, 165, 189, 231, 297, 315, 339, 363, 385, 495, 565, 605, 693, 791, 847, 945, 1017, 1089, 1155, 1243, 1485, 1695, 1815, 2079, 2373, 2541, 3051, 3267, 3465, 3729, 3955, 4235, 5085, 5445, 6215, 7119, 7623, 8701, 10395, 11187, 11865, 12705, 13673, 15255, 16335, 18645, 21357, 22869, 26103, 33561, 35595, 38115, 41019, 43505, 55935, 68365, 78309, 95711, 106785, 114345, 123057, 130515, 167805, 205095, 234927, 287133, 369171, 391545, 478555, 615285, 861399, 1174635, 1435665, 1845855, 2584197, 4306995, 12920985]

約数ペア:

[(1, 12920985), (3, 4306995), (5, 2584197), (7, 1845855), (9, 1435665), (11, 1174635), (15, 861399), (21, 615285), (27, 478555), (33, 391545), (35, 369171), (45, 287133), (55, 234927), (63, 205095), (77, 167805), (99, 130515), (105, 123057), (113, 114345), (121, 106785), (135, 95711), (165, 78309), (189, 68365), (231, 55935), (297, 43505), (315, 41019), (339, 38115), (363, 35595), (385, 33561), (495, 26103), (565, 22869), (605, 21357), (693, 18645), (791, 16335), (847, 15255), (945, 13673), (1017, 12705), (1089, 11865), (1155, 11187), (1243, 10395), (1485, 8701), (1695, 7623), (1815, 7119), (2079, 6215), (2373, 5445), (2541, 5085), (3051, 4235), (3267, 3955), (3465, 3729)]