28772037

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 22837563

約数列:

[1, 3, 7, 9, 21, 27, 41, 47, 63, 79, 123, 141, 189, 237, 287, 329, 369, 423, 553, 711, 861, 987, 1107, 1269, 1659, 1927, 2133, 2583, 2961, 3239, 3713, 4977, 5781, 7749, 8883, 9717, 11139, 13489, 14931, 17343, 22673, 25991, 29151, 33417, 40467, 52029, 68019, 77973, 87453, 100251, 121401, 152233, 204057, 233919, 364203, 456699, 612171, 701757, 1065631, 1370097, 3196893, 4110291, 9590679, 28772037]

約数ペア:

[(1, 28772037), (3, 9590679), (7, 4110291), (9, 3196893), (21, 1370097), (27, 1065631), (41, 701757), (47, 612171), (63, 456699), (79, 364203), (123, 233919), (141, 204057), (189, 152233), (237, 121401), (287, 100251), (329, 87453), (369, 77973), (423, 68019), (553, 52029), (711, 40467), (861, 33417), (987, 29151), (1107, 25991), (1269, 22673), (1659, 17343), (1927, 14931), (2133, 13489), (2583, 11139), (2961, 9717), (3239, 8883), (3713, 7749), (4977, 5781)]