72921345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 65318655

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 79, 105, 149, 177, 237, 295, 395, 413, 447, 553, 745, 885, 1043, 1185, 1239, 1659, 2065, 2235, 2765, 3129, 4661, 5215, 6195, 8295, 8791, 11771, 13983, 15645, 23305, 26373, 32627, 35313, 43955, 58855, 61537, 69915, 82397, 97881, 131865, 163135, 176565, 184611, 247191, 307685, 411985, 489405, 694489, 923055, 1235955, 2083467, 3472445, 4861423, 10417335, 14584269, 24307115, 72921345]

約数ペア:

[(1, 72921345), (3, 24307115), (5, 14584269), (7, 10417335), (15, 4861423), (21, 3472445), (35, 2083467), (59, 1235955), (79, 923055), (105, 694489), (149, 489405), (177, 411985), (237, 307685), (295, 247191), (395, 184611), (413, 176565), (447, 163135), (553, 131865), (745, 97881), (885, 82397), (1043, 69915), (1185, 61537), (1239, 58855), (1659, 43955), (2065, 35313), (2235, 32627), (2765, 26373), (3129, 23305), (4661, 15645), (5215, 13983), (6195, 11771), (8295, 8791)]