171920745

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3311

約数の個数: 64

約数和(自身を含む): 337789440

約数和(自身を除く): 165868695

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 459, 621, 765, 1035, 1173, 1955, 2295, 3105, 3257, 3519, 5865, 9771, 10557, 16285, 17595, 29313, 48855, 52785, 55369, 74911, 87939, 146565, 166107, 224733, 276845, 374555, 439695, 498321, 674199, 830535, 1123665, 1273487, 1494963, 2022597, 2491605, 3370995, 3820461, 6367435, 7474815, 10112985, 11461383, 19102305, 34384149, 57306915, 171920745]

約数ペア:

[(1, 171920745), (3, 57306915), (5, 34384149), (9, 19102305), (15, 11461383), (17, 10112985), (23, 7474815), (27, 6367435), (45, 3820461), (51, 3370995), (69, 2491605), (85, 2022597), (115, 1494963), (135, 1273487), (153, 1123665), (207, 830535), (255, 674199), (345, 498321), (391, 439695), (459, 374555), (621, 276845), (765, 224733), (1035, 166107), (1173, 146565), (1955, 87939), (2295, 74911), (3105, 55369), (3257, 52785), (3519, 48855), (5865, 29313), (9771, 17595), (10557, 16285)]