305296047

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1722

約数の個数: 80

約数和(自身を含む): 581264640

約数和(自身を除く): 275968593

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 81, 119, 133, 153, 171, 189, 323, 357, 399, 459, 513, 567, 969, 1071, 1197, 1377, 1539, 1667, 2261, 2907, 3213, 3591, 5001, 6783, 8721, 9639, 10773, 11669, 15003, 20349, 26163, 28339, 31673, 35007, 45009, 61047, 85017, 95019, 105021, 135027, 183141, 198373, 221711, 255051, 285057, 315063, 538441, 595119, 665133, 765153, 855171, 945189, 1615323, 1785357, 1995399, 2295459, 2565513, 3769087, 4845969, 5356071, 5986197, 11307261, 14537907, 16068213, 17958591, 33921783, 43613721, 101765349, 305296047]

約数ペア:

[(1, 305296047), (3, 101765349), (7, 43613721), (9, 33921783), (17, 17958591), (19, 16068213), (21, 14537907), (27, 11307261), (51, 5986197), (57, 5356071), (63, 4845969), (81, 3769087), (119, 2565513), (133, 2295459), (153, 1995399), (171, 1785357), (189, 1615323), (323, 945189), (357, 855171), (399, 765153), (459, 665133), (513, 595119), (567, 538441), (969, 315063), (1071, 285057), (1197, 255051), (1377, 221711), (1539, 198373), (1667, 183141), (2261, 135027), (2907, 105021), (3213, 95019), (3591, 85017), (5001, 61047), (6783, 45009), (8721, 35007), (9639, 31673), (10773, 28339), (11669, 26163), (15003, 20349)]