247483593

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^2\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 441325248

約数和(自身を除く): 193841655

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 173, 189, 203, 243, 261, 519, 567, 609, 783, 841, 1211, 1557, 1701, 1827, 2349, 2523, 3633, 4671, 5017, 5481, 5887, 7047, 7569, 10899, 14013, 15051, 16443, 17661, 22707, 32697, 35119, 42039, 45153, 49329, 52983, 68121, 98091, 105357, 135459, 145493, 158949, 204363, 294273, 316071, 406377, 436479, 476847, 948213, 1018451, 1219131, 1309437, 1430541, 2844639, 3055353, 3928311, 8533917, 9166059, 11784933, 27498177, 35354799, 82494531, 247483593]

約数ペア:

[(1, 247483593), (3, 82494531), (7, 35354799), (9, 27498177), (21, 11784933), (27, 9166059), (29, 8533917), (63, 3928311), (81, 3055353), (87, 2844639), (173, 1430541), (189, 1309437), (203, 1219131), (243, 1018451), (261, 948213), (519, 476847), (567, 436479), (609, 406377), (783, 316071), (841, 294273), (1211, 204363), (1557, 158949), (1701, 145493), (1827, 135459), (2349, 105357), (2523, 98091), (3633, 68121), (4671, 52983), (5017, 49329), (5481, 45153), (5887, 42039), (7047, 35119), (7569, 32697), (10899, 22707), (14013, 17661), (15051, 16443)]