1900130397

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 3021228000

約数和(自身を除く): 1121097603

約数列:

[1, 3, 11, 19, 33, 43, 57, 121, 129, 149, 209, 363, 447, 473, 627, 817, 1419, 1639, 1849, 2299, 2451, 2831, 4917, 5203, 5547, 6407, 6897, 8493, 8987, 15609, 18029, 19221, 20339, 26961, 31141, 35131, 54087, 61017, 70477, 93423, 98857, 105393, 121733, 211431, 223729, 275501, 296571, 342551, 365199, 386441, 671187, 775247, 826503, 1027653, 1159323, 1339063, 2325741, 3030511, 4017189, 4250851, 5234519, 9091533, 12752553, 14729693, 15703557, 33335621, 44189079, 57579709, 100006863, 172739127, 633376799, 1900130397]

約数ペア:

[(1, 1900130397), (3, 633376799), (11, 172739127), (19, 100006863), (33, 57579709), (43, 44189079), (57, 33335621), (121, 15703557), (129, 14729693), (149, 12752553), (209, 9091533), (363, 5234519), (447, 4250851), (473, 4017189), (627, 3030511), (817, 2325741), (1419, 1339063), (1639, 1159323), (1849, 1027653), (2299, 826503), (2451, 775247), (2831, 671187), (4917, 386441), (5203, 365199), (5547, 342551), (6407, 296571), (6897, 275501), (8493, 223729), (8987, 211431), (15609, 121733), (18029, 105393), (19221, 98857), (20339, 93423), (26961, 70477), (31141, 61017), (35131, 54087)]