138928515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 253366272

約数和(自身を除く): 114437757

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 157, 165, 173, 341, 465, 471, 519, 785, 865, 1023, 1705, 1727, 1903, 2355, 2595, 4867, 5115, 5181, 5363, 5709, 8635, 9515, 14601, 16089, 24335, 25905, 26815, 27161, 28545, 53537, 58993, 73005, 80445, 81483, 135805, 160611, 176979, 267685, 294965, 298771, 407415, 803055, 841991, 884895, 896313, 1493855, 2525973, 4209955, 4481565, 9261901, 12629865, 27785703, 46309505, 138928515]

約数ペア:

[(1, 138928515), (3, 46309505), (5, 27785703), (11, 12629865), (15, 9261901), (31, 4481565), (33, 4209955), (55, 2525973), (93, 1493855), (155, 896313), (157, 884895), (165, 841991), (173, 803055), (341, 407415), (465, 298771), (471, 294965), (519, 267685), (785, 176979), (865, 160611), (1023, 135805), (1705, 81483), (1727, 80445), (1903, 73005), (2355, 58993), (2595, 53537), (4867, 28545), (5115, 27161), (5181, 26815), (5363, 25905), (5709, 24335), (8635, 16089), (9515, 14601)]