2819115

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 5416320

約数和(自身を除く): 2597205

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 79, 117, 183, 195, 237, 305, 395, 549, 585, 711, 793, 915, 1027, 1185, 2379, 2745, 3081, 3555, 3965, 4819, 5135, 7137, 9243, 11895, 14457, 15405, 24095, 35685, 43371, 46215, 62647, 72285, 187941, 216855, 313235, 563823, 939705, 2819115]

約数ペア:

[(1, 2819115), (3, 939705), (5, 563823), (9, 313235), (13, 216855), (15, 187941), (39, 72285), (45, 62647), (61, 46215), (65, 43371), (79, 35685), (117, 24095), (183, 15405), (195, 14457), (237, 11895), (305, 9243), (395, 7137), (549, 5135), (585, 4819), (711, 3965), (793, 3555), (915, 3081), (1027, 2745), (1185, 2379)]