56691915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 110423040

約数和(自身を除く): 53731125

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 157, 181, 285, 399, 471, 543, 665, 785, 905, 1099, 1267, 1995, 2355, 2715, 2983, 3297, 3439, 3801, 5495, 6335, 8949, 10317, 14915, 16485, 17195, 19005, 20881, 24073, 28417, 44745, 51585, 62643, 72219, 85251, 104405, 120365, 142085, 198919, 313215, 361095, 426255, 539923, 596757, 994595, 1619769, 2699615, 2983785, 3779461, 8098845, 11338383, 18897305, 56691915]

約数ペア:

[(1, 56691915), (3, 18897305), (5, 11338383), (7, 8098845), (15, 3779461), (19, 2983785), (21, 2699615), (35, 1619769), (57, 994595), (95, 596757), (105, 539923), (133, 426255), (157, 361095), (181, 313215), (285, 198919), (399, 142085), (471, 120365), (543, 104405), (665, 85251), (785, 72219), (905, 62643), (1099, 51585), (1267, 44745), (1995, 28417), (2355, 24073), (2715, 20881), (2983, 19005), (3297, 17195), (3439, 16485), (3801, 14915), (5495, 10317), (6335, 8949)]