121621356

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{661}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 325306800

約数和(自身を除く): 203685444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 269, 342, 538, 661, 684, 807, 1076, 1322, 1614, 1983, 2421, 2644, 3228, 3966, 4842, 5111, 5949, 7932, 9684, 10222, 11898, 12559, 15333, 20444, 23796, 25118, 30666, 37677, 45999, 50236, 61332, 75354, 91998, 113031, 150708, 177809, 183996, 226062, 355618, 452124, 533427, 711236, 1066854, 1600281, 2133708, 3200562, 3378371, 6401124, 6756742, 10135113, 13513484, 20270226, 30405339, 40540452, 60810678, 121621356]

約数ペア:

[(1, 121621356), (2, 60810678), (3, 40540452), (4, 30405339), (6, 20270226), (9, 13513484), (12, 10135113), (18, 6756742), (19, 6401124), (36, 3378371), (38, 3200562), (57, 2133708), (76, 1600281), (114, 1066854), (171, 711236), (228, 533427), (269, 452124), (342, 355618), (538, 226062), (661, 183996), (684, 177809), (807, 150708), (1076, 113031), (1322, 91998), (1614, 75354), (1983, 61332), (2421, 50236), (2644, 45999), (3228, 37677), (3966, 30666), (4842, 25118), (5111, 23796), (5949, 20444), (7932, 15333), (9684, 12559), (10222, 11898)]