28622979

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 52176384

約数和(自身を除く): 23553405

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 103, 231, 309, 401, 693, 721, 927, 1133, 1203, 2163, 2807, 3399, 3609, 4411, 6489, 7931, 8421, 10197, 13233, 23793, 25263, 30877, 39699, 41303, 71379, 92631, 123909, 277893, 289121, 371727, 454333, 867363, 1362999, 2602089, 3180331, 4088997, 9540993, 28622979]

約数ペア:

[(1, 28622979), (3, 9540993), (7, 4088997), (9, 3180331), (11, 2602089), (21, 1362999), (33, 867363), (63, 454333), (77, 371727), (99, 289121), (103, 277893), (231, 123909), (309, 92631), (401, 71379), (693, 41303), (721, 39699), (927, 30877), (1133, 25263), (1203, 23793), (2163, 13233), (2807, 10197), (3399, 8421), (3609, 7931), (4411, 6489)]