207698505

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 397966080

約数和(自身を除く): 190267575

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 73, 79, 105, 147, 219, 237, 245, 343, 365, 395, 511, 553, 735, 1029, 1095, 1185, 1533, 1659, 1715, 2401, 2555, 2765, 3577, 3871, 5145, 5767, 7203, 7665, 8295, 10731, 11613, 12005, 17301, 17885, 19355, 25039, 27097, 28835, 36015, 40369, 53655, 58065, 75117, 81291, 86505, 121107, 125195, 135485, 175273, 189679, 201845, 282583, 375585, 406455, 525819, 569037, 605535, 847749, 876365, 948395, 1412915, 1978081, 2629095, 2845185, 4238745, 5934243, 9890405, 13846567, 29671215, 41539701, 69232835, 207698505]

約数ペア:

[(1, 207698505), (3, 69232835), (5, 41539701), (7, 29671215), (15, 13846567), (21, 9890405), (35, 5934243), (49, 4238745), (73, 2845185), (79, 2629095), (105, 1978081), (147, 1412915), (219, 948395), (237, 876365), (245, 847749), (343, 605535), (365, 569037), (395, 525819), (511, 406455), (553, 375585), (735, 282583), (1029, 201845), (1095, 189679), (1185, 175273), (1533, 135485), (1659, 125195), (1715, 121107), (2401, 86505), (2555, 81291), (2765, 75117), (3577, 58065), (3871, 53655), (5145, 40369), (5767, 36015), (7203, 28835), (7665, 27097), (8295, 25039), (10731, 19355), (11613, 17885), (12005, 17301)]