351301923

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 638943552

約数和(自身を除く): 287641629

約数列:

[1, 3, 7, 9, 17, 21, 47, 49, 51, 63, 119, 141, 147, 153, 329, 357, 423, 441, 799, 833, 987, 997, 1071, 2303, 2397, 2499, 2961, 2991, 5593, 6909, 6979, 7191, 7497, 8973, 16779, 16949, 20727, 20937, 39151, 46859, 48853, 50337, 50847, 62811, 117453, 118643, 140577, 146559, 152541, 328013, 352359, 355929, 421731, 439677, 796603, 830501, 984039, 1067787, 2296091, 2389809, 2491503, 2952117, 5576221, 6888273, 7169427, 7474509, 16728663, 20664819, 39033547, 50185989, 117100641, 351301923]

約数ペア:

[(1, 351301923), (3, 117100641), (7, 50185989), (9, 39033547), (17, 20664819), (21, 16728663), (47, 7474509), (49, 7169427), (51, 6888273), (63, 5576221), (119, 2952117), (141, 2491503), (147, 2389809), (153, 2296091), (329, 1067787), (357, 984039), (423, 830501), (441, 796603), (799, 439677), (833, 421731), (987, 355929), (997, 352359), (1071, 328013), (2303, 152541), (2397, 146559), (2499, 140577), (2961, 118643), (2991, 117453), (5593, 62811), (6909, 50847), (6979, 50337), (7191, 48853), (7497, 46859), (8973, 39151), (16779, 20937), (16949, 20727)]