745265157

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 1266740640

約数和(自身を除く): 521475483

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 131, 147, 169, 229, 273, 393, 507, 637, 687, 917, 1183, 1603, 1703, 1911, 2751, 2977, 3549, 4809, 5109, 6419, 8281, 8931, 11221, 11921, 19257, 20839, 22139, 24843, 29999, 33663, 35763, 38701, 62517, 66417, 83447, 89997, 116103, 145873, 154973, 209993, 250341, 270907, 389987, 437619, 464919, 629979, 812721, 1084811, 1169961, 1469951, 1896349, 2729909, 3254433, 4409853, 5069831, 5689047, 8189727, 15209493, 19109363, 35488817, 57328089, 106466451, 248421719, 745265157]

約数ペア:

[(1, 745265157), (3, 248421719), (7, 106466451), (13, 57328089), (21, 35488817), (39, 19109363), (49, 15209493), (91, 8189727), (131, 5689047), (147, 5069831), (169, 4409853), (229, 3254433), (273, 2729909), (393, 1896349), (507, 1469951), (637, 1169961), (687, 1084811), (917, 812721), (1183, 629979), (1603, 464919), (1703, 437619), (1911, 389987), (2751, 270907), (2977, 250341), (3549, 209993), (4809, 154973), (5109, 145873), (6419, 116103), (8281, 89997), (8931, 83447), (11221, 66417), (11921, 62517), (19257, 38701), (20839, 35763), (22139, 33663), (24843, 29999)]