156913281

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 288820224

約数和(自身を除く): 131906943

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 73, 81, 119, 153, 189, 219, 223, 357, 459, 511, 567, 657, 669, 1071, 1241, 1377, 1533, 1561, 1971, 2007, 3213, 3723, 3791, 4599, 4683, 5913, 6021, 8687, 9639, 11169, 11373, 13797, 14049, 16279, 18063, 26061, 26537, 33507, 34119, 41391, 42147, 48837, 78183, 79611, 100521, 102357, 113953, 126441, 146511, 234549, 238833, 276743, 307071, 341859, 439533, 703647, 716499, 830229, 1025577, 1318599, 1937201, 2149497, 2490687, 3076731, 5811603, 7472061, 9230193, 17434809, 22416183, 52304427, 156913281]

約数ペア:

[(1, 156913281), (3, 52304427), (7, 22416183), (9, 17434809), (17, 9230193), (21, 7472061), (27, 5811603), (51, 3076731), (63, 2490687), (73, 2149497), (81, 1937201), (119, 1318599), (153, 1025577), (189, 830229), (219, 716499), (223, 703647), (357, 439533), (459, 341859), (511, 307071), (567, 276743), (657, 238833), (669, 234549), (1071, 146511), (1241, 126441), (1377, 113953), (1533, 102357), (1561, 100521), (1971, 79611), (2007, 78183), (3213, 48837), (3723, 42147), (3791, 41391), (4599, 34119), (4683, 33507), (5913, 26537), (6021, 26061), (8687, 18063), (9639, 16279), (11169, 14049), (11373, 13797)]