16188975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 32807424

約数和(自身を除く): 16618449

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 165, 211, 225, 275, 279, 341, 465, 495, 633, 775, 825, 1023, 1055, 1395, 1705, 1899, 2321, 2325, 2475, 3069, 3165, 5115, 5275, 6541, 6963, 6975, 8525, 9495, 11605, 15345, 15825, 19623, 20889, 25575, 32705, 34815, 47475, 58025, 58869, 71951, 76725, 98115, 104445, 163525, 174075, 215853, 294345, 359755, 490575, 522225, 647559, 1079265, 1471725, 1798775, 3237795, 5396325, 16188975]

約数ペア:

[(1, 16188975), (3, 5396325), (5, 3237795), (9, 1798775), (11, 1471725), (15, 1079265), (25, 647559), (31, 522225), (33, 490575), (45, 359755), (55, 294345), (75, 215853), (93, 174075), (99, 163525), (155, 104445), (165, 98115), (211, 76725), (225, 71951), (275, 58869), (279, 58025), (341, 47475), (465, 34815), (495, 32705), (633, 25575), (775, 20889), (825, 19623), (1023, 15825), (1055, 15345), (1395, 11605), (1705, 9495), (1899, 8525), (2321, 6975), (2325, 6963), (2475, 6541), (3069, 5275), (3165, 5115)]