15921477

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 11596923

約数列:

[1, 3, 9, 11, 13, 33, 39, 89, 99, 117, 139, 143, 267, 417, 429, 801, 979, 1157, 1251, 1287, 1529, 1807, 2937, 3471, 4587, 5421, 8811, 10413, 12371, 12727, 13761, 16263, 19877, 37113, 38181, 59631, 111339, 114543, 136081, 160823, 178893, 408243, 482469, 1224729, 1447407, 1769053, 5307159, 15921477]

約数ペア:

[(1, 15921477), (3, 5307159), (9, 1769053), (11, 1447407), (13, 1224729), (33, 482469), (39, 408243), (89, 178893), (99, 160823), (117, 136081), (139, 114543), (143, 111339), (267, 59631), (417, 38181), (429, 37113), (801, 19877), (979, 16263), (1157, 13761), (1251, 12727), (1287, 12371), (1529, 10413), (1807, 8811), (2937, 5421), (3471, 4587)]