1321881015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{50969}}^1$

素因数の和:51016

約数の個数: 64

約数和(自身を含む): 2740147200

約数和(自身を除く): 1418266185

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 665, 741, 1235, 1365, 1729, 1995, 3705, 5187, 8645, 25935, 50969, 152907, 254845, 356783, 662597, 764535, 968411, 1070349, 1783915, 1987791, 2905233, 3312985, 4638179, 4842055, 5351745, 6778877, 9938955, 12589343, 13914537, 14526165, 20336631, 23190895, 33894385, 37768029, 62946715, 69572685, 88125401, 101683155, 188840145, 264376203, 440627005, 1321881015]

約数ペア:

[(1, 1321881015), (3, 440627005), (5, 264376203), (7, 188840145), (13, 101683155), (15, 88125401), (19, 69572685), (21, 62946715), (35, 37768029), (39, 33894385), (57, 23190895), (65, 20336631), (91, 14526165), (95, 13914537), (105, 12589343), (133, 9938955), (195, 6778877), (247, 5351745), (273, 4842055), (285, 4638179), (399, 3312985), (455, 2905233), (665, 1987791), (741, 1783915), (1235, 1070349), (1365, 968411), (1729, 764535), (1995, 662597), (3705, 356783), (5187, 254845), (8645, 152907), (25935, 50969)]