15696977961

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 25189157280

約数和(自身を除く): 9492179319

約数列:

[1, 3, 7, 21, 41, 49, 123, 139, 147, 287, 417, 457, 861, 973, 1371, 1681, 2009, 2919, 3199, 5043, 5699, 6027, 6811, 9597, 11767, 17097, 18737, 20433, 22393, 35301, 39893, 56211, 63523, 67179, 82369, 119679, 131159, 190569, 233659, 247107, 279251, 393477, 444661, 700977, 768217, 837753, 918113, 1333983, 1635613, 2304651, 2604443, 2754339, 3112627, 4906839, 5377519, 7813329, 9337881, 11449291, 16132557, 18231101, 34347873, 37642633, 54693303, 106782163, 112927899, 127617707, 320346489, 382853121, 747475141, 2242425423, 5232325987, 15696977961]

約数ペア:

[(1, 15696977961), (3, 5232325987), (7, 2242425423), (21, 747475141), (41, 382853121), (49, 320346489), (123, 127617707), (139, 112927899), (147, 106782163), (287, 54693303), (417, 37642633), (457, 34347873), (861, 18231101), (973, 16132557), (1371, 11449291), (1681, 9337881), (2009, 7813329), (2919, 5377519), (3199, 4906839), (5043, 3112627), (5699, 2754339), (6027, 2604443), (6811, 2304651), (9597, 1635613), (11767, 1333983), (17097, 918113), (18737, 837753), (20433, 768217), (22393, 700977), (35301, 444661), (39893, 393477), (56211, 279251), (63523, 247107), (67179, 233659), (82369, 190569), (119679, 131159)]