227645691

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 399200256

約数和(自身を除く): 171554565

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 181, 221, 271, 273, 357, 543, 663, 813, 1267, 1547, 1897, 2353, 3077, 3523, 3801, 4607, 4641, 5691, 7059, 9231, 10569, 13821, 16471, 21539, 24661, 32249, 40001, 49051, 49413, 59891, 64617, 73983, 96747, 120003, 147153, 179673, 280007, 343357, 419237, 637663, 833867, 840021, 1030071, 1257711, 1912989, 2501601, 4463641, 5837069, 10840271, 13390923, 17511207, 32520813, 75881897, 227645691]

約数ペア:

[(1, 227645691), (3, 75881897), (7, 32520813), (13, 17511207), (17, 13390923), (21, 10840271), (39, 5837069), (51, 4463641), (91, 2501601), (119, 1912989), (181, 1257711), (221, 1030071), (271, 840021), (273, 833867), (357, 637663), (543, 419237), (663, 343357), (813, 280007), (1267, 179673), (1547, 147153), (1897, 120003), (2353, 96747), (3077, 73983), (3523, 64617), (3801, 59891), (4607, 49413), (4641, 49051), (5691, 40001), (7059, 32249), (9231, 24661), (10569, 21539), (13821, 16471)]