61613139

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 100548000

約数和(自身を除く): 38934861

約数列:

[1, 3, 7, 21, 29, 49, 87, 97, 147, 149, 203, 291, 447, 609, 679, 1043, 1421, 2037, 2813, 3129, 4263, 4321, 4753, 7301, 8439, 12963, 14259, 14453, 19691, 21903, 30247, 43359, 59073, 90741, 101171, 137837, 211729, 303513, 413511, 419137, 635187, 708197, 1257411, 2124591, 2933959, 8801877, 20537713, 61613139]

約数ペア:

[(1, 61613139), (3, 20537713), (7, 8801877), (21, 2933959), (29, 2124591), (49, 1257411), (87, 708197), (97, 635187), (147, 419137), (149, 413511), (203, 303513), (291, 211729), (447, 137837), (609, 101171), (679, 90741), (1043, 59073), (1421, 43359), (2037, 30247), (2813, 21903), (3129, 19691), (4263, 14453), (4321, 14259), (4753, 12963), (7301, 8439)]