61620405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 126959616

約数和(自身を除く): 65339211

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 77, 93, 105, 155, 165, 217, 231, 341, 385, 465, 651, 1023, 1085, 1155, 1705, 1721, 2387, 3255, 5115, 5163, 7161, 8605, 11935, 12047, 18931, 25815, 35805, 36141, 53351, 56793, 60235, 94655, 132517, 160053, 180705, 266755, 283965, 373457, 397551, 586861, 662585, 800265, 1120371, 1760583, 1867285, 1987755, 2934305, 4108027, 5601855, 8802915, 12324081, 20540135, 61620405]

約数ペア:

[(1, 61620405), (3, 20540135), (5, 12324081), (7, 8802915), (11, 5601855), (15, 4108027), (21, 2934305), (31, 1987755), (33, 1867285), (35, 1760583), (55, 1120371), (77, 800265), (93, 662585), (105, 586861), (155, 397551), (165, 373457), (217, 283965), (231, 266755), (341, 180705), (385, 160053), (465, 132517), (651, 94655), (1023, 60235), (1085, 56793), (1155, 53351), (1705, 36141), (1721, 35805), (2387, 25815), (3255, 18931), (5115, 12047), (5163, 11935), (7161, 8605)]