2021646861

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1\times {\mathrm{653}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 3222326016

約数和(自身を除く): 1200679155

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 563, 611, 653, 1689, 1833, 1959, 5067, 5499, 5877, 7319, 8489, 21957, 25467, 26461, 30691, 65871, 76401, 79383, 92073, 238149, 276219, 343993, 367639, 398983, 1031979, 1102917, 1196949, 3095937, 3308751, 3590847, 4779307, 14337921, 17279033, 43013763, 51837099, 155511297, 224627429, 673882287, 2021646861]

約数ペア:

[(1, 2021646861), (3, 673882287), (9, 224627429), (13, 155511297), (39, 51837099), (47, 43013763), (117, 17279033), (141, 14337921), (423, 4779307), (563, 3590847), (611, 3308751), (653, 3095937), (1689, 1196949), (1833, 1102917), (1959, 1031979), (5067, 398983), (5499, 367639), (5877, 343993), (7319, 276219), (8489, 238149), (21957, 92073), (25467, 79383), (26461, 76401), (30691, 65871)]