51455145

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 98035200

約数和(自身を除く): 46580055

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 73, 105, 137, 147, 219, 245, 343, 365, 411, 511, 685, 735, 959, 1029, 1095, 1533, 1715, 2055, 2555, 2877, 3577, 4795, 5145, 6713, 7665, 10001, 10731, 14385, 17885, 20139, 25039, 30003, 33565, 46991, 50005, 53655, 70007, 75117, 100695, 125195, 140973, 150015, 210021, 234955, 350035, 375585, 490049, 704865, 1050105, 1470147, 2450245, 3430343, 7350735, 10291029, 17151715, 51455145]

約数ペア:

[(1, 51455145), (3, 17151715), (5, 10291029), (7, 7350735), (15, 3430343), (21, 2450245), (35, 1470147), (49, 1050105), (73, 704865), (105, 490049), (137, 375585), (147, 350035), (219, 234955), (245, 210021), (343, 150015), (365, 140973), (411, 125195), (511, 100695), (685, 75117), (735, 70007), (959, 53655), (1029, 50005), (1095, 46991), (1533, 33565), (1715, 30003), (2055, 25039), (2555, 20139), (2877, 17885), (3577, 14385), (4795, 10731), (5145, 10001), (6713, 7665)]