199976895

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{523}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 360491040

約数和(自身を除く): 160514145

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 293, 435, 523, 879, 1305, 1465, 1569, 2615, 2637, 4395, 4707, 7845, 8497, 13185, 15167, 23535, 25491, 42485, 45501, 75835, 76473, 127455, 136503, 153239, 227505, 382365, 459717, 682515, 766195, 1379151, 2298585, 4443931, 6895755, 13331793, 22219655, 39995379, 66658965, 199976895]

約数ペア:

[(1, 199976895), (3, 66658965), (5, 39995379), (9, 22219655), (15, 13331793), (29, 6895755), (45, 4443931), (87, 2298585), (145, 1379151), (261, 766195), (293, 682515), (435, 459717), (523, 382365), (879, 227505), (1305, 153239), (1465, 136503), (1569, 127455), (2615, 76473), (2637, 75835), (4395, 45501), (4707, 42485), (7845, 25491), (8497, 23535), (13185, 15167)]