221568615

素因数分解:

$3^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:795

約数の個数: 56

約数和(自身を含む): 403710480

約数和(自身を除く): 182141865

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 243, 267, 405, 445, 683, 729, 801, 1215, 1335, 2049, 2403, 3415, 3645, 4005, 6147, 7209, 10245, 12015, 18441, 21627, 30735, 36045, 55323, 60787, 64881, 92205, 108135, 165969, 182361, 276615, 303935, 324405, 497907, 547083, 829845, 911805, 1641249, 2489535, 2735415, 4923747, 8206245, 14771241, 24618735, 44313723, 73856205, 221568615]

約数ペア:

[(1, 221568615), (3, 73856205), (5, 44313723), (9, 24618735), (15, 14771241), (27, 8206245), (45, 4923747), (81, 2735415), (89, 2489535), (135, 1641249), (243, 911805), (267, 829845), (405, 547083), (445, 497907), (683, 324405), (729, 303935), (801, 276615), (1215, 182361), (1335, 165969), (2049, 108135), (2403, 92205), (3415, 64881), (3645, 60787), (4005, 55323), (6147, 36045), (7209, 30735), (10245, 21627), (12015, 18441)]