29289897

素因数分解:

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

素因数の和:180

約数の個数: 72

約数和(自身を含む): 55075680

約数和(自身を除く): 25785783

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 131, 147, 169, 189, 273, 351, 393, 441, 507, 637, 819, 917, 1179, 1183, 1323, 1521, 1703, 1911, 2457, 2751, 3537, 3549, 4563, 5109, 5733, 6419, 8253, 8281, 10647, 11921, 15327, 17199, 19257, 22139, 24759, 24843, 31941, 35763, 45981, 57771, 66417, 74529, 83447, 107289, 154973, 173313, 199251, 223587, 250341, 321867, 464919, 597753, 751023, 1084811, 1394757, 2253069, 3254433, 4184271, 9763299, 29289897]

約数ペア:

[(1, 29289897), (3, 9763299), (7, 4184271), (9, 3254433), (13, 2253069), (21, 1394757), (27, 1084811), (39, 751023), (49, 597753), (63, 464919), (91, 321867), (117, 250341), (131, 223587), (147, 199251), (169, 173313), (189, 154973), (273, 107289), (351, 83447), (393, 74529), (441, 66417), (507, 57771), (637, 45981), (819, 35763), (917, 31941), (1179, 24843), (1183, 24759), (1323, 22139), (1521, 19257), (1703, 17199), (1911, 15327), (2457, 11921), (2751, 10647), (3537, 8281), (3549, 8253), (4563, 6419), (5109, 5733)]